In a zesty new discovery, scientists have unearthed a strange lemon-shaped exoplanet. It is unlike one we have seen before, ...

Planets usually stay close to their host stars, tracing steady paths shaped by gravity. Yet some planets break free and drift ...

A new NASA spacecraft called Pandora is awaiting launch ahead of its journey to study the atmospheres of exoplanets, or ...

Pandora, the latest in a long portfolio of University of Arizona's space science missions, has cleared its last major ...

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

New discoveries and fresh looks at familiar worlds show how far exoplanet science has come — and how much remains unknown. When you purchase through links on our site, we may earn an affiliate ...

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

The year 2025 marked significant advancements in exoplanet science, revealing new discoveries and fresh perspectives on known worlds.

Planets larger than Earth but smaller than Neptune are the most common kind in the galaxy, but because our solar system lacks such a planet, scientists don’t know much about how they form. Astronomers ...

NASA's James Webb Space Telescope (JWST) has recently discovered a rare exoplanet, whose composition has baffled scientists ...

Most of the planets we’ve identified are in orbit around stars and formed from the disks of gas and dust that surrounded the ...