Astronomers reveal some hot Jupiters formed via smooth disk migration. Circular orbits and aligned companions challenge traditional theories, offering new insights into exoplanetary system evolution.

The first exoplanet ever discovered in 1995 was what we now call a "hot Jupiter," a planet as massive as Jupiter with an ...

The first planet ever found orbiting another star was detected in 1995, and it belonged to a class now known as a “hot Jupiter.” These exoplanets are comparable in mass to Jupiter but circle their ...

Hot Jupiters were once cosmic oddities, but unraveling how they moved so close to their stars has remained a stubborn mystery ...

Hot Jupiters, the blisteringly close cousins of our own Jupiter, were once treated as cosmic misfits. Now their orbital patterns are turning into a kind of forensic record, revealing how these giants ...

Hot Jupiters rank among the strangest planets astronomers have ever found. They are gas giants as massive as Jupiter, yet ...

Anerican space agency NASA said the first full sky map made by the SPHEREx satellite is ready, three more to follow over the ...

U.S. and Chinese satellites routinely spy on each other in orbit, rehearsing for more aggressive operations in the event of ...

This interstellar vagabond is only the third large interstellar visitor that we have ever discovered — an asteroid or comet ...

Hidden star found orbiting a bloated red giant, Pi1 Gruis, offering a rare glimpse into how close companions shape dying ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

Rocket Lab launches Space Force and NASA ‘DiskSat’ experiment  Rocket Lab set to launch Space Force and NASA ‘DiskSat’ ...