Frequent flares from the nearby star TRAPPIST-1 could offer new clues in the search for habitable planets beyond Earth.

"We reported hints of methane, but the question is, 'is the methane attributable to molecules in the atmosphere of the planet ...

Of the seven Earth-sized worlds orbiting the red dwarf star TRAPPIST-1, one planet in particular has attracted the attention ...

When astronomers search for planets that could host liquid water on their surface, they start by looking at a star's habitable zone. Water is a key ingredient for life, and on a planet too close to ...

What can star variability—changes in a star's brightness over time—teach astronomers about exoplanet habitability? This is ...

More research is needed before scientists can determine whether the recently observed methane signatures point to the presence of an atmosphere or are simply the result of contamination from the host ...

Astronomers might be close to confirming the presence of an Earth-like atmosphere on an exoplanet for the first time, if more detailed analyses verify preliminary observations from the James Webb ...

The team discovered that the surface might contain liquid water, an essential ingredient for life. Astronomers from the, Irvine have discovered a planet orbiting within the “habitable zone” of its ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Morgan Underwood, Rice University (THE CONVERSATION) When astronomers search for ...