Worlds with liquid water could have formed just 200 million years after the big bang from the remains of the earliest ...

Planets with suns like Wolf 359 are subject to huge blasts of radiation that raise questions about their long-term ...

There might be a type of exoplanet without dry land. They're called "Hycean" worlds, a portmanteau of "hydrogen" and "ocean." ...

Only after that could rocky planets form, and by extension, habitable planets. That’s been axiomatic in astronomy.

The Japanese government is considering joining a U.S.-led initiative to develop a space telescope aimed at searching for ...

A new study by NASA’s Chandra X-ray Observatory and the European Space Agency’s XMM-Newton highlights the challenges planets ...

Planets around other stars need to be prepared for extreme weather conditions, according to a new study from NASA's Chandra X ...

"Machine-assisted classification of potential biosignatures in earth ... sifts through the atmospheric spectra of potentially habitable exoplanets. While it doesn't identify which ones contain ...

An exoplanet is a planet from a different star ... liquid water on a planet's surface is sometimes referred to as the habitable zone or the Goldilocks zone—because, like Goldilocks' porridge ...

Astronomers are raising concerns about the impact of light pollution from a renewable energy project on the world’s most ...

This artist's illustration represents the results from a new study that examines the effects of X-ray and other high-energy ...