A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

About 50 light-years from Earth, a gas giant about half the mass of Jupiter orbits a sunlike star. The discovery of Pegasi 51 b ushered in a new era of exoplanet research.

Tests on olivine hint that water-rich exoplanets could generate H2O internally, possibly explaining ocean worlds and even some of Earth’s early water.

In the beginning, when planets were newborn, they glowed like furnaces, vast oceans of molten rock wrapped in heavy blankets ...

The Habitable Worlds Observatory (HWO) is slated to be the next Great Observatory for the world. Its main focus has been ...

Washington, DC— Our galaxy’s most abundant type of planet could be rich in liquid water due to formative interactions between ...

With water being so important to life on Earth, scientists often look for it on exoplanets. But some of those worlds might ...

Scientists found two Earth-sized planets and a third candidate orbiting a nearby double star system, TOI-2267.

Our galaxy's most abundant type of planet could be rich in liquid water due to formative interactions between magma oceans ...

What: Astronomers using JWST and ALMA have captured the earliest known stage of planet formation around the protostar HOPS-315 in the Orion Molecular Cloud. Guest: Dr ...

Astronomers are investigating a strange class of exoplanets known as eccentric warm Jupiters — massive gas giants that orbit ...

Find out what's up in your night sky during November 2025 and how to see it in this Space.com stargazing guide.