The rock, Clinton said, “speaks to us across … billions of years and millions of miles. It speaks of the possibility of life.

To support alien life, a planet doesn’t have to be exactly like Earth, but it does need a few key ingredients. First, it should orbit its star at the right distance, where temperatures allow liquid ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for ...

They’ve obscured alien worlds from us for years, but clouds could turn out to be where the first hints of extraterrestrial ...

One of the most fantastical claims SpaceX is making during the countdown to its IPO is that it is helping create one of the ...

Some worry that it undercuts the Bible’s account of the Earth and humanity as the centerpiece of God’s plan for the universe, ...

This could be why we still haven’t found alien life - Traces left behind by organisms on alien worlds may be too subtle to detect ...

On May 22, 2026, the Pentagon released a second batch of previously classified photos and videos showing what appear to be ...

Astrobiologists warn that NASA's current instruments may miss subtle signs of alien life, risking 'false negatives' in the ...

Astronomers estimate there are 10 billion Earth-like planets in the Milky Way, increasing the statistical likelihood of ...

Mercury may have gotten much of its polar ice within a single Mercurian day following a massive asteroid impact, a new study ...