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

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

Astronomers have spotted a distant world "shedding" its atmosphere into space in real time, creating a giant cloud of helium ...

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

The James Webb Space Telescope has detected clouds made of silicates, similar to sand here on Earth, as well as water, ...

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

Exoplanet TOI 1227 b is being bombarded by x-rays from its host red dwarf star, causing it to “shrink from the size of ...

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

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 ...

The RISTRETTO project, dedicated to observing Proxima b –the closest exoplanet to the Solar System — is reaching a new ...

Astronomers observed giant helium clouds escaping exoplanet WASP-107b, revealing atmospheric loss and offering key insight ...

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