Using the Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has detected a new exoplanet ...

Astronomers have discovered a companion star in an incredibly tight orbit around Betelgeuse using the NASA and U.S. National ...

Betelgeuse is one of the brightest stars in the night sky, and the closest red supergiant to Earth. It has an enormous volume, spanning a radius ...

NASA's Athena Economical Payload Integration Cost mission, or Athena EPIC, is a test launch for an innovative, scalable space ...

Astronomers have discovered a baby exoplanet "spiral architect" carving complex swirls into a disk of gas and dust around the ...

Even today, this icy, ringed oddball continues to keep scientists guessing. Uranus spins sideways, so each pole gets blasted ...