People always want to know what will happen to Earth when the sun eventually swells up as a red giant. For one thing, the ...

The hunt for habitable worlds has become a hot topic in astronomy. For decades, the search has been focused on planets in the ...

The Chandra X-ray telescope and other observatories are being used to study stars that could potentially harbor habitable ...

What if Earth isn’t the most habitable planet in the universe? In a groundbreaking discovery, scientists have identified a group of “superhabitable” exoplanets,worlds that may offer even better ...

It's difficult to overstate just how surprisingly early to the party this water may have been. “This suggests that water, the ...

A habitable planet can support life for many years. Photo Credit: NASA It’s the area around a star where planets get just the right heat to keep water liquid on their surfaces.

NASA’s MAVEN finally sees sputtering—an escape process that stripped Mars of its atmosphere and ancient water.

Warmer climates than Earth’s could accelerate life’s development, potentially increasing the number of planets with more ...

A series of studies have cast doubt on the sensational claim that "the strongest evidence yet" was found that life exists anywhere else besides Earth.

A new study proposes that seeding the orb’s underground ocean with microbes might help us learn how to make other worlds ...

Recent observations by JWST of TRAPPIST-1 c ruled out a thick carbon dioxide atmosphere, indicating that the planet is not as ...

A conversation with Peter Schlosser, vice president and vice provost of Global Futures at Arizona State University ...