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

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 ...

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 ...

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 ...

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

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

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

Still, science being science, we needed proof—and we got it in 1992, when two astronomers found two planets orbiting a pulsar ...

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 ...

See imaginative exoplanet worlds by St. Ann’s fifth graders at Blakemore Planetarium, Museum of the Southwest, on view ...