Space science has a long tradition of bold claims followed by even bolder scrutiny. Some of the most headline-grabbing ...

Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the ...

Is alien life really out there? For decades, humanity has looked at the night sky and asked the same question. Now, according ...

NASA's Perseverance rover has uncovered one of the most intriguing clues yet in humanity's search for life beyond Earth.

The organic molecules could come from life or from ordinary chemistry — only samples returned to Earth can settle it.

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity ...

Researchers have looked at how particular microbes from Earth would fare in conditions like those of Mars, the moon, and the ...