Large hailstones made of ammonia may explain why the gas is missing from large pockets of Jupiter's atmosphere.

Astronomers have discovered that super-Earth exoplanets are more common across the universe than previously thought. While it can be relatively easy to locate worlds that orbit close to their star, ...

An international team of astrologers claim to have discovered a 'super Earth' that's bigger than our own blue planet but smeller than Neptune.

A new study led by astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) has revealed that planets ...

Astronomers detected potential biosignatures on exoplanet K2-18b, but findings remain inconclusive. Claims of alien life ...

A new study released on Thursday describes a search for what are called "microlensing" events, where a planet acts as a ...

UCSB Physics Professor Roger Freedman held our attention three years ago as he explained the wonders and understanding that ...

Grunsfeld, a former NASA astronaut who has served as both the agency's chief scientist and science division leader, helped ...

The Hubble Space Telescope, a NASA and ESA project, was launched on April 24, 1990, aboard Space Shuttle Discovery. The ...

Study suggests Earth-like exoplanets may be common, based on microlensing data revealing super-Earths with distant orbits.

A burst of solar wind triggered a planet-wide heatwave in Jupiter’s upper atmosphere, say astronomers at the University in ...