After decades of searching, astronomers may have finally stumbled upon the first moon known to exist beyond our solar ...

Astronomers have identified thousands of exoplanets, but only a handful look like Earth. These 16 worlds may be the closest ...

Using direct imaging, astronomers have found a brown dwarf that could help test technology for taking snapshots of Earthlike ...

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

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

Exoplanets like HD 189733b, Tres-2b, and TOI-849b display extreme conditions from glass rain to near-total darkness, offering insight into the diversity of planets beyond our solar system.

There is a new method to detect and map spots on stars by "using observations from NASA missions of orbiting planets." ...

For the first time, scientists have continuously monitored a planet's escaping atmosphere over a complete orbit, revealing ...

A FIERY hell-world that would instantly roast visitors alive has a vast lava ocean – and may be packed with rare gems. The ...

Analysis of early direct images from James Webb telescope show immense dust clouds on brown dwarf that lead to a blurring of ...

Almost all planets in our solar system have moons – why not exoplanets? Astronomers believe they have discovered the first ...

Researchers have pinpointed a super-Earth in the habitable zone of a nearby M-dwarf star only 18 light-years away.