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

NASA's exoplanet-hunting spacecraft TESS has heard the song a star-quaking red giant sings to its partner black hole.

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

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

The Hubble Space Telescope has been used to study 25 hot Jupiters. It has helped to answer "questions important to our ...

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

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

Using the Webb telescope’s powerful Near Infrared Imager and Slitless Spectrograph (NIRISS) instrument, the team detected a sprawling helium cloud known as an exosphere. This exosphere stretches ...

A group of astronomers claim they have found the first exomoon in the universe. While we know about around 6,000 exoplanets, an exomoon has never been found. That might soon change if the latest ...

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