https://phys.org/space-news/astrobiology/ en-us Astrobiology news stories about origin and evolution of life in the Universe Europa, one of Jupiter's icy moons, has long fascinated scientists because of what may lie beneath its frozen shell: a global ocean of liquid water. That hidden ocean has made Europa one of the most compelling places in the solar system to study the conditions that might support life. But new research led by Rutgers scientist Lujendra Ojha suggests one of the most promising shortcuts to Europa's ocean may be far more complicated than previously thought. https://phys.org/news/2026-07-europa-hidden-ocean-difficult-scientists.html Astrobiology Fri, 24 Jul 2026 12:00:03 EDT news704105234 Astronomers searching for signs of extraterrestrial intelligence may have been missing alien signals in part of the radio spectrum that has not recently been explored. https://phys.org/news/2026-07-alien-radio-channel.html Astronomy Thu, 23 Jul 2026 19:00:03 EDT news703934221 Scientists have developed a new way to predict the strength of the sun's next activity cycle up to seven years before it reaches its peak. https://phys.org/news/2026-07-sun-reveal-future-space-weather.html Astrobiology Sun, 19 Jul 2026 19:00:03 EDT news703511720 Nearly a decade after the discovery of LHS 1140b, a rocky exoplanet in the habitable zone of a nearby low-mass star, a new study reveals that the object may have its own atmosphere. https://phys.org/news/2026-07-nearby-rocky-planet-replenishing-helium.html Astrobiology Thu, 16 Jul 2026 14:00:18 EDT news703345883 In a major milestone in the search for life on other planets, astronomers have detected, for the first time, an atmosphere surrounding an Earth-like, rocky planet orbiting within the habitable zone of another star. The finding provides the strongest evidence yet that worlds with conditions similar to Earth in composition and temperature, with the potential to support life, could exist beyond our solar system. https://phys.org/news/2026-07-life-solar-atmosphere-habitable-zone.html Astrobiology Thu, 16 Jul 2026 14:00:11 EDT news703314812 Scientists have painted the most detailed portrait yet of the planetary system orbiting Barnard's Star—the sun's closest neighbor after Alpha Centauri, just under six light-years from Earth. https://phys.org/news/2026-07-astronomers-nearby-planets-small-strange.html Astrobiology Wed, 15 Jul 2026 15:20:01 EDT news703340046 On July 16, 2024, a daytime meteor shook New York City with a sonic boom as it passed just south of the Statue of Liberty. Now, an international team of researchers reports in the journal Science Advances that a short time later, a meteorite weighing more than 2 pounds crashed through the roof of a house in the town of Hillsborough, New Jersey. https://phys.org/news/2026-07-alien-world-chemistry-meteorite-struck.html Space Exploration Wed, 15 Jul 2026 14:00:03 EDT news703263418 A technique for judging whether a common mineral formed through biological activity could aid the search for ancient life on Earth and Mars. Apatite is a ubiquitous phosphate mineral found in terrestrial and extraterrestrial environments. It is a major component of teeth and bones, but it also occurs in igneous rocks and sedimentary phosphorites. https://phys.org/news/2026-07-driven-tool-mineral-biosignatures-worlds.html Astrobiology Tue, 14 Jul 2026 11:50:01 EDT news703246314 Scientists have detected evidence of landslides on Pluto for the first time. A paper published in the journal Icarus reports that images taken by the New Horizons spacecraft during a flyby revealed six large landslides in three impact craters. https://phys.org/news/2026-07-massive-landslides-icy-pluto.html Astrobiology Mon, 13 Jul 2026 15:30:02 EDT news703172932 Sugars are key biomolecules in living organisms, as they form the backbone of DNA and RNA and play a fundamental role in metabolic processes. In theories of the origin of life, sugars are also essential for the synthesis of the first nucleic acids. Despite their importance, one of the major questions in origin-of-life research is how the first sugars formed on Earth, since laboratory experiments show that they do not form in sufficient quantities under prebiotic conditions. https://phys.org/news/2026-07-sugar-interstellar-space.html Astronomy Mon, 13 Jul 2026 11:00:04 EDT news703140907 Ever so slightly bigger than Earth, the exoplanet LHS 3844b orbits its parent star, LHS 3844, a red dwarf 48.5 light-years from our solar system. Its rotational speed mirrors its orbital speed. The result? One side of LHS 3844b is perpetually bathed in scorching sunlight, locked into a never-ending, blistering hot day, while the other is forever shrouded in darkness so cold that particles are incapable of movement, a state known as absolute zero (zero Kelvin). https://phys.org/news/2026-07-exoplanets-eternal-day-endless-night.html Astrobiology Fri, 10 Jul 2026 11:00:05 EDT news702896075 For the first time, astronomers have discovered stellar cocoons rich in complex organic molecules within a supernova remnant. A research team from Niigata University, Gifu University, RIKEN and Kyoto University in Japan used the Atacama Large Millimeter/submillimeter Array (ALMA) to observe the remnant of a massive star that exploded about 1,600 years ago. https://phys.org/news/2026-07-newborn-stars-rich-gas-ancient.html Astronomy Thu, 09 Jul 2026 11:50:01 EDT news702814502 When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of biology because they are often produced by living microbes. However, scientists can be misled because certain geological processes can produce chemical signatures identical to those of living organisms. https://phys.org/news/2026-07-baseline-tool-alien-life-geology.html Astrobiology Tue, 07 Jul 2026 13:30:01 EDT news702646858 Like a shelf in an old house, the Earth collects a lot of dust from its surroundings. This "space dust" is mostly made up of micrometeorites that survive atmospheric entry and provides researchers with a cheap and easy way to obtain samples to study our cosmic neighbors. However, it can be difficult to determine which objects certain samples originated from if their parent bodies aren't already in available catalogs. A recent study, published in Science Advances, describes a new subset of space dust with such mysterious origins and how researchers are tracking down potential sources. https://phys.org/news/2026-07-earth-space-unidentified-asteroids.html Astrobiology Tue, 07 Jul 2026 12:50:02 EDT news702646844 Using the Hobby-Eberly Telescope at McDonald Observatory, astronomers have taken a closer look at a nearby exoplanet and discovered it may be more Earth-like than previously thought. The planet, known as GJ 3378b, orbits a small, cool star called a red dwarf. Just 25 light-years from Earth in the direction of the northern constellation Camelopardalis, it lies in its star's "habitable zone"—the region where temperatures could allow liquid water to exist—making it a candidate to host life. https://phys.org/news/2026-06-nearby-super-earth-candidate-life.html Astrobiology Tue, 30 Jun 2026 13:50:01 EDT news702044402 Securing sustainable food supplies is a key challenge for long-term human exploration and potential habitation of the moon. The moon's soil contains no organic material, and essential plant nitrogen sources like ammonia and nitrate are virtually nonexistent. https://phys.org/news/2026-06-rice-grown-moon-air-fertilizer.html Astrobiology Tue, 30 Jun 2026 09:40:06 EDT news702030421 Researchers from the University of Oxford have uncovered evidence that Mars once hosted enormous, Earth-like magmatic systems deep beneath its surface—despite the planet lacking the plate tectonics long thought necessary for this kind of geological complexity. https://phys.org/news/2026-06-scientists-evidence-vast-hidden-magma.html Astrobiology Fri, 26 Jun 2026 05:00:04 EDT news701604001 In September 2025, NASA announced that its Perseverance rover had discovered a potential biosignature, which is a substance or structure that might have a biological origin. A new paper, published in Science Advances, unambiguously confirms the detection of organic carbon, the building blocks of life, in the same two rocks from the Bright Angel formation, and describes in more detail exactly what we can say about that organic matter. https://phys.org/news/2026-06-carbon-bright-angel-formation-mars.html Astrobiology Wed, 24 Jun 2026 18:10:04 EDT news701538061 Vegetarians need not worry yet—plants will be on Earth for a long time to come. But not forever. The sun will ultimately determine the long-term existence of life on Earth. Its total energy output, called luminosity, has been increasing over epochs and eons by about 10% every billion years—determining much of Earth's surface temperature. This will continue for billions of years in the future. https://phys.org/news/2026-06-survive-earth-billion-years.html Astrobiology Tue, 23 Jun 2026 10:00:05 EDT news701425675 A biocontainment facility designed to protect Earth from potentially hazardous biotic contaminants from space should be part of a planned NASA base on the moon, a policy paper maintains. https://phys.org/news/2026-06-nasa-biocontainment-facility-moon-earth.html Space Exploration Fri, 19 Jun 2026 11:20:04 EDT news701086270 Billions of years ago, environmental conditions on Mars were significantly more hospitable than they are today. Our neighboring planet was likely warm, humid and surrounded by a dense atmosphere. Whether simple microorganisms could have evolved at that time remains an open question. https://phys.org/news/2026-06-mars-life-boost-rover-distinguishes.html Astrobiology Thu, 18 Jun 2026 14:20:05 EDT news701007901 Could Earth have seeded Jupiter's moon Europa with bacterial life, where it could have taken hold in Europa's ocean and perhaps evolved into something more? That's the hypothesis of a new paper in the International Journal of Astrobiology by Zaza Osmanov of the Free University of Tbilisi in Georgia. https://phys.org/news/2026-06-earth-life-jupiter-moon-europa.html Astrobiology Tue, 16 Jun 2026 09:20:07 EDT news700742290 Caltech researchers have identified a novel chemical reaction that could explain the formation of the building blocks of DNA and RNA, the molecules that encode all of life's functions. The work is an important step toward understanding how life may have emerged on Earth and potentially elsewhere in the universe, showing the straightforward and efficient pathways through which simple molecules can give rise to complex biological precursors. https://phys.org/news/2026-06-benzene-reaction-dna-rna-blocks.html Astrobiology Mon, 15 Jun 2026 16:20:01 EDT news700757522 Debris is still raining down on Earth more than 100 million years after the giant cosmic explosion that created it. A study published this week in Nature Astronomy by an international team reached this conclusion using measurements of rare isotopes within a slow-growing ferromanganese crust recovered from the depths of the Pacific Ocean. https://phys.org/news/2026-06-deep-sea-crust-uncovers-steady.html Astrobiology Mon, 15 Jun 2026 15:40:01 EDT news700754041 The asteroid that caused the extinction of the dinosaurs also created an underground environment suited to supporting new life, and new research suggests it lasted for millions of years longer than previously suspected. https://phys.org/news/2026-06-dino-asteroid-fueled-underground-life.html Astrobiology Tue, 09 Jun 2026 15:20:02 EDT news700231012 Asteroids and planetesimals regularly bombarded Earth between about 4.6 billion and 3.5 billion years ago, during the Hadean and Archean eons. Because few rocks today are more than 4 billion years old, our understanding of the planet's environment during that time is limited. However, samples from the moon and its cratered surface hint at the period's rate of cosmic impacts. https://phys.org/news/2026-06-cosmic-bombardment-earth-crust-prebiotic.html Astrobiology Mon, 08 Jun 2026 19:40:04 EDT news700143613 The IAA SETI Committee has updated rules for evaluating and revealing the detection of extraterrestrial intelligence. https://phys.org/news/2026-06-alien-stricter-verification-disclosure.html Astronomy Mon, 08 Jun 2026 10:00:04 EDT news700129803 Researchers have developed the Smaller Than Earth Habitability Model (STEHM) to assess which planets can maintain life-supporting atmospheres, focusing on size and atmospheric dynamics. https://phys.org/news/2026-06-atmosphere-survival-refines-habitable-planets.html Astrobiology Thu, 04 Jun 2026 15:40:04 EDT news699795001 In the region where the ExoMars Rosalind Franklin rover will search for signs of life, clay deposits extend beyond previous estimates, a new study finds. One hypothesis even suggests a vast ocean once covered the landing site. https://phys.org/news/2026-06-exomars-rover-vast-bed-clay.html Astrobiology Thu, 04 Jun 2026 09:40:05 EDT news699783180 NASA-supported scientists have provided new information about how the early Earth may have acquired some elements necessary for the planet to become habitable. They also suggest a new role for Jupiter in the distribution of these elements throughout the young solar system. The study, published in Science Advances, examines this history by looking at the ratio of phosphorus to nitrogen in iron meteorites and in younger objects known as chondrites. https://phys.org/news/2026-06-jupiter-redirected-life-ingredients-earth.html Astrobiology Wed, 03 Jun 2026 18:50:01 EDT news699726061