CubeSats to the Rescue?
Small spacecraft will have an impact on astrobiology, although their use may be limited.
The Right Time to Search for Martian Life
After decades of geology-focused Mars missions, should we send one dedicated to biology?
The Search for Future Earths
A rare variety of exoplanet may give us a preview of what’s in store for our planet billions of years from now.
Microbes Under Antarctica
Water basins found beneath the Taylor Valley have implications for finding life on Mars.
How Long Before We Find Extraterrestrial Life?
It’s hard to predict, considering that habitability alone doesn’t mean life arose on other worlds.
Mystery Solved: Mars Has Nitrates
The Curiosity rover answers a long-standing question.
Life as We Don't Know It on Titan
Cell membranes may be made of different materials on Saturn’s large moon.
Mars Once Had an Ocean—A Big One
Newly published results may just seal the case.
Earth-like Planets Might Be Rare After All
New computer simulations suggest that red dwarfs would give rise to desert planets or waterworlds.
How Could We Detect Life in Europa’s Geysers?
Scientists consider how to sample the spray from Jupiter’s moon.
Closing in on Mysterious Ceres
Yet another world that may have an internal ocean.
Astronomers Just Doubled the Number of Potentially Habitable Planets
Another step closer to finding a second Earth
A New Tool for Finding Life on Other Planets
It’s small, fast, and—best of all—doesn’t require knowledge of alien biochemistry.
Exciting New Findings About Martian Methane
Could life be the source?
DNA is Hardier Than We Thought
It can survive suborbital spaceflight, but what about longer interplanetary trips?
Plant Life May Thrive in Alien Atmospheres
It may not even require as much light as it does on Earth.
A New Way to Search for Martian Life
Isotopic analysis may help us separate native organisms from Earthly contamination.
How Animals Came to Roam the Earth
The rise of complex life came after a rise in oxygen levels, according to new research.
Mimas: Is There an Ocean Inside the Death Star?
Another (possibly) watery moon in the outer solar system
New Spacecraft Cleaning Method Gets Rid of Pesky “Hitchhikers”
A cheaper, easier, approach to planetary protection.
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