Using the European Space Agency’s Characterizing Exoplanets Satellite (CHEOPS) telescope, a team of astronomers ...

A newly found icy object, Ammonite, may be a 4-billion-year-old fossil from the Solar System’s edge—and it’s casting doubt on ...

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a ...

A tiny object far beyond Pluto, newly discovered by the Subaru Telescope, could reshape our understanding of the early Solar ...

A hidden planet up to 10 times the size of Jupiter was found in the disc around MP Mus, thanks to new data from ALMA and Gaia ...

Astronomers have, for the first time, observed the very beginning of planet formation around a star beyond our Solar System. Using the James Webb Space Telescope and ALMA, researchers detected hot ...

In a cosmic breakthrough, scientists using the James Webb and ALMA telescopes have caught a rare glimpse of a planetary ...

It's another meteoric rise for what's called the largest piece of Mars on Earth. The 54-pound rock fetched nearly $5.3 ...

When checking out Uranus, scientists discovered something exciting: that the planet appears to have a long-term girlfriend.

Astronomical discovery: supersonic gales of 20,500 mph batter the exoplanet WASP-127b, breaking cosmic records for ...

Astronomers have discovered a "fossil" world lying in the outskirts of the solar system, according to new research.

"This is an ultra-hot Jupiter, and orbits much closer to its star than any other hot Jupiter ever discovered." ...