Astronomers have identified an extreme exoplanet, LTT 9779 b, that is reshaping our understanding of planetary atmospheres.

A decades-old astronomical mystery has finally been solved—an enigmatic X-ray signal emanating from deep space turns out to ...

Astronomers have found four small planets orbiting Barnard's Star, the second-closest star system to Earth. These planets are ...

Using the James Webb Space Telescope (JWST), astronomers have peered into the atmosphere of a cosmic body that could be a ...

Researchers discovered a planet-forming disk that lasted 30 million years. This challenges previous estimates of 10 million ...

The ringed giant's moons also vary considerably in size. The largest, Titan, is bigger than the planet Mercury ... resemblance to the fictional Death Star in the "Star Wars" movies.

After many previous claims and false alarms, astronomers can finally confirm the existence of at least four planets less ...

Studying the orbits of thousands of exoplanets shows that large planets tend to have elliptical orbits, while smaller planets ...

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track ...

While unraveling the mystery of why some planet-forming disks fall onto their stars, an astronomer stumbled upon a surprise: ...