Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

Stars and planets are inextricably linked. They form together and stars shape the fate of planets. Stars create the dusty ...

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...

New research tracks young planets around a nearby star, showing how large, gas-rich worlds shrink over time to become the most common planets in the galaxy ...

Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope ...

Discover why the solar system's planets are arranged as they are, shaped by formation conditions and planetary migration.

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 ...

New research explains how dust links the formation, evolution, and fate of stars and planets, and why future telescopes are needed to observe these processes in detail ...

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

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

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

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