Using data from the European Space Agency's Gaia mission, scientists have found a huge exoplanet and a brown dwarf. This is the first time a planet has been uniquely discovered by Gaia's ability to ...

An LSU-led team would like to use a high-flying Antarctic balloon-borne infrared telescope to detect the chemical makeup of ...

When we first began searching for planets around other stars, one of the surprising discoveries was that there are planets orbiting white dwarfs. The first exoplanets we ever discovered were white ...

For decades, astronomers believed that planets couldn’t form in the early universe due to a lack of heavier elements like ...

Bright yellow deposits in Consus Crater provide new evidence of Ceres' cryovolcanic history, reigniting the debate over ...

New James Webb Space Telescope observations of a star cluster called NGC 346 are shedding light on how, when and where ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Rare ultra-faint dwarf galaxies beyond the influence of other galaxies show evidence that star formation was stifled long ago ...

Our home planet is bombarded with particles from outer space all the time. And while we are mostly familiar with the rocky ...

Thirty years after the discovery of the first exoplanet, astronomers have detected more than 7,000 of them in our galaxy. But there are still billions more to be discovered. At the same time, ...

If it’s real, some may question whether something with a mass about three times Pluto’s counts as a planet at all.

A new study suggests that a planet-sized object may have ... They explored objects as small as Jupiter and as large as a brown dwarf. The simulations revealed that in about 1% of the cases, ...