When the early Earth’s magma ocean crystallized 4.4 billion years ago, the deep mantle trapped an ocean’s worth of water, ...

Lurking further from its stars than Neptune is from the Sun, this is no inner planet, but it’s on a scale we recognize, ...

Researchers using NASA's James Webb Space Telescope have detected the strongest evidence yet for an atmosphere on a rocky ...

As humanity prepares to take its first steps on Mars, a comprehensive report released by the National Academies of Sciences, ...

New research reveals that Earth’s solid inner core is actually in a superionic state, where carbon atoms flow freely through ...

Scientists take a hard look at the planets of Star Wars and break down which worlds could exist under real physics. From ...

Researchers using NASA’s James Webb Space Telescope have detected the strongest evidence yet for an atmosphere on a rocky ...

Remarks given by UNEP's Inger Andersen at discussions on the Intergovernmental Science-Policy Panel on Chemicals, Waste and ...

The search for past or present life should be the top science objective of future human missions to Mars, a new National ...

Astronomers using the James Webb Space Telescope have captured dramatic helium streams pouring off the super-puff exoplanet ...

NASA has lost contact with MAVEN, a spacecraft that has been orbiting Mars for more than 11 years and one of only three ...

Astronomers have used the James Webb Space Telescope (JWST) to discover that a distant "hot Jupiter" planet has two ...