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

New research has revealed that Hot Jupiters do not always push away or destroy nearby planets during their migration. This ...

A new study by NASA’s Chandra X-ray Observatory and the European Space Agency’s XMM-Newton highlights the challenges planets ...

This NASA/ESA Hubble Space Telescope image features a dusty yet sparkling scene from one of the Milky Way’s satellite galaxies, the Large Magellanic Cloud. The Large Magellanic Cloud is a dwarf galaxy ...

A Triple Star System Yields an Unusual Surviving Star Unlike our Sun, which exists alone, at least half of the stars in our ...

Scientists have discovered a new type of planetary collision called “kiss-and-capture,” where Pluto and proto-Charon briefly connected and spun together before separating into their current orbital ...

Planets with suns like Wolf 359 are subject to huge blasts of radiation that raise questions about their long-term ...

Predictions about when we might discover an alien signal from an intelligent civilization remain accurate, according to ...

Two papers showed these intriguing signals, but the team stresses that there are currently many uncertainties to confirming ...

The exoplanet Enaiposha, or GJ 1214 b, is a hazy world orbiting a red dwarf star about 47 light-years from Earth. Previously likened to a mini-Neptune, in-depth observations obtained using JWST now ...

Scientists think a small rock discovered near Earth last August was hurled into space by an ancient impact on the lunar surface.

Using the Atacama Large Millimeter Array, astronomers have discovered icy exocomet belts circling 74 different alien planetary systems.