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.

An international team of researchers has just revealed the existence of three Earth-sized planets in the binary stellar ...

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

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

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

JWST found a carbon-atmosphere planet orbiting a pulsar, challenging current models of how planets form. Scientific progress ...

An international team of scientists has announced the discovery of three Earth-sized planets orbiting within the binary star system TOI-2267, located approximately 190 light-years from Earth. An inter ...

On August 10, six planets—Mercury, Venus, Jupiter, Saturn, Uranus, and Neptune—will line up in an arc in the night sky. Four of these planets—Mercury, Venus, Jupiter, and Saturn—can be seen with the ...

Artistic illustration of the internal structure of a lava planet in a cold state, showing a day‑side magma ocean overlain by a mineral atmosphere. The arrows indicate the direction of heat transport ...

This is all to say, despite initially having the intent of being a non-profit, OpenAI's goalposts have shifted somewhat.