An international team led by ICREA researcher Mark Gieles, from the Institute of Cosmos Sciences of the University of ...

A new study suggests mysterious water worlds may be manufacturing their own oceans through chemical reactions deep within ...

Astronomers now understand that water-rich planets can form internally, even close to stars. A new study reveals that ...

The Smithsonian is one of the world’s foremost research centers in science, the arts, and the humanities. In addition to ...

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The Rubin Observatory is located on Cerro Pachón in the Andes Mountains in Chile.

A 3D map of planet WASP-18b reveals extreme heat zones and broken water vapor in its atmosphere for the first time.

A team of astronomers used the James Webb Space Telescope to create the first 3D atmospheric map of an exoplanet. The fiery WASP-18b, a massive “ultra-hot Jupiter,” revealed striking temperature ...

Astronomers discover a 3-billion-year-old white dwarf, LSPM J0207+3331, actively accumulationplanetary material long after its star’s death, revealing ongoing dynamics in ancient stellar remnants.

If it is a galaxy, it would be the oldest known galaxy in the cosmos, but it could also be a brown dwarf or an early black hole.

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.