Astronomers in Poland have discovered a nearby exoplanet more than 11 times the mass of Jupiter, comfortably putting it in the pantheon of the most massive known worlds. The object is a cold ...

The cast of exoplanets has an extraordinary new member. Using ESO’s telescopes, astronomers have discovered an approximately seven- Jupiter-mass companion to an object that is itself only twice as ...

Astronomers using the James Webb Space Telescope have detected a striking chemical fingerprint across three giant exoplanets in the HR 8799 system, finding that these worlds, each roughly ten times ...

The first exoplanet ever discovered in 1995 was what we now call a “hot Jupiter”, a planet as massive as Jupiter with an orbital period of just a few days. Today, hot Jupiters are thought to have ...

Gaia-4b, an exoplanet about 244 light-years away, is twelve times more massive than Jupiter. Credit: ESA / Gaia / DPAC / M. Marcussen illustration Scientists have dubbed the exoplanet, a world well ...