Astrobiology

NASA’s Spitzer Space telescope just confirmed that a newly discovered exoplanet is indeed the closest rocky planet to orbit a star...

Last week, some of the greatest minds in science announced the Breakthrough Listen initiative, undoubtedly the greatest attempt yet...

The planet is in its star's habitable zone, and there's a "better than even" chance that it's rocky.

"Are we alone? Now is the time to find out."

Is this the discovery we've all been waiting for?

Could genetically engineered bacteria make Mars livable for humans?

4 Reasons to be excited for the start of NASA's exploration of Europa.

Understanding how life survives in Earth's most inhospitable habitats could be key to finding extraterrestrial life.

Scientists believe that Europa is a prime candidate for life as a result of a liquid water ocean under its icy shell, but that ocean...

This animated explanation of the Fermi Paradox asks, "Where are all the aliens?"

Scientists believed Enceladus had geysers that emitted "jets," but new research indicates that they may be giant walls of vapor and...

NASA is commencing a new interdisciplinary program specifically intended to find life on other worlds.

Scientists just found the first evidence that liquid water can be found on Mars during the spring and winter months.

NASA scientists are feeling more confident than ever that humanity will discover alien life within a generation.

Scientists discover that, in addition to Mars's polar ice caps, the Red Planet also has glaciers of frozen water at its central...

Astronomers have detected mysterious radio bursts that follow an unusual pattern, so unusual that they're considering an "artificial...

Scientists at Cornell University are creating a database of Earth microbes to help find and identify alien life forms.

NASA's Curiosity rover may have just found fatty acids on Mars, although they can't be sure that it has a biological origin yet.

A statistical analysis of 151 planetary systems in the Milky Way showed that our galaxy may contain billions of exoplanets in their...

Kim Stanley Robinson's Mars trilogy was often called "the ultimate in future history" when it was published in the 1990's, as a...