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 ...

In a first-of-its-kind discovery, astronomers claim they have directly measured the magnetic fields of multiple planets beyond our solar system — potentially providing a crucial new tool in the search ...

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

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

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

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

3I/ATLAS may be departing our solar system, but it’s still very much on Avi Loeb’s mind. In a recent blog post, the Harvard ...

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 ...

For decades, the search for extraterrestrial intelligence has been guided by one hopeful assumption: somewhere in the galaxy, ...

Our understanding of the electromagnetic spectrum goes back to Isaac Newton, but astronomers are still finding new ways to ...

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

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