NASA’s Transiting Exoplanet Survey Satellite (TESS) has been used to discover Earth-size planet TOI 700 e. It is "orbiting ...

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

For now, complex life flourishes on our planet thanks to its supply of oxygen. But Earth's atmosphere wasn't always like it ...

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 planets. Future observatories will use the data to narrow down the list for ...

Scientists like to refer to our planet as residing in the "Goldilocks zone," where it's neither too hot nor too cold, and ...

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

As David Attenborough reflects in his new documentary Ocean, “After living for nearly 100 years on this planet, I now understand the most important place on Earth is not on land, but at sea”. We ...

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

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

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

Indigenous scholar and organizer Nick Estes explores how land-based and Earth-centered societies are advancing solutions and ...