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How plants could betray themselves across the galaxy

Here's a thought experiment. Imagine looking at Earth from a distant star system, armed with a powerful telescope capable of capturing its reflected light. Could you tell the planet was alive? The answer, remarkably, might ...

New Henrietta spectrograph to probe alien atmospheres

Finding life beyond our solar system goes beyond measuring an exoplanet's size, as rocky, Earth-sized worlds might not have the conditions for life as we know it. While exoplanets can be directly imaged by blocking their ...

Human sperm may get lost in space

Having a baby in space may require a bit more direction, with new Adelaide University research revealing the navigational abilities of sperm are negatively impacted by a lack of gravity. Researchers at the University's Robinson ...

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Astrobiology
Ryugu asteroid samples contain all DNA and RNA building blocks, bolstering origin-of-life theories
Astrobiology
Life, but not as we know it
Astrobiology
JWST maps Europa's CO₂ beyond Tara Regio, hinting at subsurface exchange
Astronomy
Galactic islands of tranquility: 'Little red dots' may have brewed life's building blocks
Astrobiology
'Ionic liquids' could redefine the habitable zone
Astrobiology
Hydrogen atmosphere could keep exomoons habitable for billions of years
Astrobiology
Nearby red dwarf star hosts at least four planets—with one in the habitable zone
Astrobiology
How do we know what asteroids are made out of?
Astrobiology
Can we grow life on Mars? Experiments show potential in simulated extraterrestrial soil
Astronomy
The coldest 'stars' in the galaxy might actually be alien megastructures
Astrobiology
Red dwarf stars might starve alien plants of the 'quality' light they need to breathe
Astrobiology
Can we observe Earth-like exoplanets from our own planet?
Astrobiology
Scientists successfully harvest chickpeas from 'moon dirt'
Astronomy
Missing technosignatures? Turbulent plasma may blur ultra-narrow signals before they leave their home star systems
Astrobiology
Introducing the Interplanetary Habitable Zone
Astrobiology
Life forms can planet hop on asteroid debris—and survive
Astrobiology
How long do civilizations last?
Astrobiology
Would Earth still be habitable without us?
Astrobiology
What is an exoplanet? An astrophysicist explains why they are vital for finding alien life
Astrobiology
Could Mars soil block Earth microbes? 'Water bears' offer a clue

Other news

Biotechnology
AI-designed proteins built from scratch can recognize specific compounds
Plants & Animals
Chimpanzee empire falls apart in rare instance of division and deadly violence
Environment
Street green space can help cool cities, but it will not be enough on its own
Evolution
Mammal ancestors laid eggs—and this 250-million-year-old fossil proves it
Social Sciences
Hat wars of early modern England reveal how manners make the rebel
Archaeology
No more giants, no more heavy handaxes: Why early humans downsized their stone tools
Analytical Chemistry
Plant-inspired water membrane filters CO₂ with constant selectivity and adjustable permeance
Environment
Non-producing oil and gas wells may emit microbial methane at rates 1,000 times higher than previously estimated
Biotechnology
AI diffusion models tailor drug molecules to custom-fit protein targets, speeding drug development and evaluation
Nanomaterials
Carbon nanotube fiber sensors achieve record measurement error below 0.1%
Optics & Photonics
Megawatt structured light arrives with 3,070 optical vortices in one array
Analytical Chemistry
Hydroxyl radicals in UV-exposed water reveal surprising reaction pathway
Cell & Microbiology
Liquid-like histone H1 'glues' nucleosomes, reshaping how DNA compacts
Cell & Microbiology
Unlocking the hidden metabolism of algae to advance the promise of renewable fuels and sustainable biomass
Molecular & Computational biology
A smarter way to build vaccines: Scientists harness AI to target emerging alphaviruses
Social Sciences
Integrative experiment design reveals hidden patterns in decades-old social science research
Cell & Microbiology
Decoy molecules trick soil bacteria into attacking persistent pollutants without genetic engineering
Biochemistry
Nickel catalyst enables precision mirror-image assembly for key drug scaffolds
Plants & Animals
Oxygen sensing helps explain why amphibians regenerate limbs but mammals cannot
Astronomy
What if dark matter came in two states?

Spaceflight accelerates human stem cell aging, researchers find

Researchers from the University of California San Diego Sanford Stem Cell Institute have discovered that spaceflight accelerates the aging of human hematopoietic stem and progenitor cells (HSPCs), which are vital for blood ...

What technosignatures would interstellar objects have?

The recent discovery of the third known interstellar object (ISO), 3I/ATLAS, has brought about another round of debate on whether these objects could potentially be technological in origin. Everything from random YouTube ...

Habitable planet potential increases in the outer galaxy

What can the galactic habitable zone (GHZ), galactic regions where complex life is hypothesized to be able to evolve, teach scientists about finding the correct stars that could have habitable planets?

'Soot planets' might be more common than 'water worlds'

According to astronomers, water worlds, though admittedly not those containing Kevin Costner, are one of the most common types of planets in our solar system. This is partly due to low density estimates and the abundance ...

Photochemistry and climate modeling of Earth-like exoplanets

What role can the relationship between oxygen (O2) and ozone (O3) in exoplanet atmospheres have on detecting biosignatures? This is what a study submitted to Astronomy & Astrophysics hopes to address as an international team ...