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Mars may have been habitable much more recently than thought

Evidence suggests Mars could very well have been teeming with life billions of years ago. Now cold, dry, and stripped of what was once a potentially protective magnetic field, the red planet is a kind of forensic scene for ...

Could life at TRAPPIST-1 survive the star's superflares?

The TRAPPIST-1 system is a science-fiction writer's dream. Seven Earth-sized worlds orbit a red dwarf star just 40 light-years away. Three of those worlds are within the habitable zone of the star. The system spans a distance ...

Another building block of life can handle Venus' sulfuric acid

Venus is often described as a hellscape. The surface temperature breaches the melting point of lead, and though its atmosphere is dominated by carbon dioxide, it contains enough sulfuric acid to satisfy the comparison with ...

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Astrobiology
Can the 'hard steps' in the evolutionary history of human intelligence be recast with geological thresholds?
Astronomy
How a nearby supernova left its mark on Earth life
Astrobiology
How sweet is the Milky Way? Astrochemist is helping find out
Astrobiology
Potential indicators of life on other planets can be created in a lab
Astrobiology
Those aren't Dyson spheres, they're HotDOGs
Astrobiology
Advanced civilizations will overheat their planets within 1,000 years, researchers suggest
Astrobiology
Could stars hotter than the sun still support life?
Astrobiology
Life might thrive on the surface of Earth for an extra billion years
Astrobiology
Exoplanets could be hiding their atmospheres
Astrobiology
Plants could still grow well under alien skies
Astrobiology
Could interstellar quantum communications involve Earth or solve the Fermi paradox?
Astrobiology
Volcanoes may help reveal interior heat on Jupiter moon
Astrobiology
Detailed model suggests organic matter on Mars was formed from atmospheric formaldehyde
Astrobiology
Scientists scan TRAPPIST-1 for technosignatures
Astrobiology
Projecting what Earth will look like 1,000 years from now could assist in search for advanced civilizations
Space Exploration
Keeping mold out of future space stations
Astrobiology
Could comets have delivered the building blocks of life to ocean worlds like Europa, Enceladus and Titan?
Astrobiology
Why are we so fascinated with aliens?
Astrobiology
Life on alien planets probably wouldn't experience day and night—here's how that may change evolution
Astrobiology
Belief in alien visits to Earth is spiraling out of control: Why that's so dangerous

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General Physics
A novel state of thorium opens the possibility for a nuclear clock
Nanomaterials
Mesoporous MoS₂ strategy boosts efficiency and stability of perovskite solar cells
General Physics
Theoretical framework could improve data gathering in biological systems
General Physics
Study gathers strong evidence of the doubly magic nature of ¹⁰⁰Sn
Cell & Microbiology
The human spliceosome: Decade-long study reveals first blueprint of the most complex molecular machine inside every cell
Plants & Animals
Study shows bats have acoustic cognitive maps
Plants & Animals
Between night and day: Research uncovers genetic basis for flies' circadian plasticity
Plants & Animals
How fruit flies achieve accurate visual behavior despite changing light conditions
Bio & Medicine
Experiments demonstrate precise delivery of nanoparticles to lung via caveolae pumping system
Biochemistry
Chemists just broke a 100-year-old rule and say it's time to rewrite the textbooks
Plants & Animals
Stem cell-like approach in plants sheds light on specialized cell wall formation
Earth Sciences
Study reveals acceleration in Pacific upper-ocean circulation over past 30 years, impacting global weather patterns
Cell & Microbiology
How ice-nucleating proteins control freezing: Researchers uncover the mechanism behind ice-forming bacteria
Earth Sciences
Scientists examine how wastewater practices in Florida Keys impact water quality
Nanomaterials
Simple technique can print periodic nano/microstructures on glass
Analytical Chemistry
Students develop model to better understand the chemical process of renewable fuels
Environment
Observatory finds local 1.1 ºC increase in 20 years, twice as much as predicted by climate models
Analytical Chemistry
Paper-aluminum combo can replace plastic for strong, sustainable packaging
Molecular & Computational biology
Mathematical model decodes protein interactions to show how condensates form
Environment
Work with nature to unlock economic prosperity, researchers say