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

The Chandra X-ray Telescope is investigating the habitability of exoplanets. NASA explains. Credit: NASA/CXC/A. Hobart ...

An international team including astronomers from the University of Geneva (UNIGE) and the National Center of Competence in ...

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

Astronomers have discovered over 5,800 exoplanets, unveiling strange new worlds and the possibility of life beyond Earth. Explore the latest breakthroughs in our cosmic quest to understand the ...

Using the Webb telescope’s powerful Near Infrared Imager and Slitless Spectrograph (NIRISS) instrument, the team detected a ...

Published in Nature Astronomy, the findings represent a first: while helium escape has been observed before, this is the ...

Europe's Vega C rocket launched for the sixth time ever today (Dec. 1), sending a powerful Earth-observation satellite to ...

The satellite is operated and run by Blue Skies Space, a U.K.-space science data company and was launched aboard SpaceX’s ...

Astronomers may have identified the first known exomoon, orbiting a Jupiter-like exoplanet, amidst 6,000 confirmed exoplanets.

Astronomers have confirmed that three Earth-sized planets are orbiting two stars in the same system — a first in the history ...