Webb telescope discovered a bizarre exoplanet with carbon atmosphere, no hydrogen, orbiting a super-dense spinning star.

Hot Jupiters rank among the strangest planets astronomers have ever found. They are gas giants as massive as Jupiter, yet they race around their stars in just a few days. Since the first such world ...

It is naturally found in low concentrations on our planet, but the recent discovery of D₂O in space has helped astronomers to ...

Astronomers have finally weighed a wandering “rogue” planet, uncovering a Saturn-mass world flung into the galaxy after a dramatic planetary breakup.

Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

Hot Jupiters were once cosmic oddities, but unraveling how they moved so close to their stars has remained a stubborn mystery. Scientists have long debated whether these giants were violently flung ...

Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

A newly discovered exoplanet is rewriting the rules of what planets can be. Orbiting a city-sized neutron star, this ...

CONFIDENCE IN HAPPENING YESTERDAY. NEW MEXICO STATE UNIVERSITY ASTRONOMER RECENTLY SAW SOMETHING UNUSUAL DURING HIS RESEARCH OF SPACE, AND IT COULD HELP US UNDERSTAND HOW PLANETS FORM. VLADIMIR LYRA ...

Roughly 1,000 light-years away from Earth, a gigantic disk of gas and dust is swirling around a young star and giving rise to ...

A rare image reveals a giant planet clinging to two stars, helping scientists understand how planets survive in chaotic star systems.