Using JWST, scientists discovered PSR J2322-2650b — a carbon-rich, lemon-shaped exoplanet orbiting a pulsar — challenging theories of planet formation.

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

Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously ...

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

For the first time since Pluto was demoted, the idea of a true ninth planet is edging from speculation toward something ...

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

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

While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets ...

With sapphire waterfalls, lava rain and orbits around dead stars, these distant worlds push the limits of what’s possible.

Most planets are part of a star system of their own – but some go their own way, and they have remained largely mysterious ...

Their analysis showed that the planet lies about 3,000 parsecs, or just under 10,000 light-years, from Earth. Its mass is ...