Astronomers using the Subaru Telescope in Hawaiʻi have discovered a massive planet and a brown dwarf orbiting distant stars.

Earth has been considered the only habitable planet, but recent discoveries suggest we might not be alone. Thanks to advancements in space exploration, more and more exoplanets are being identified as ...

The planets have been nicknamed Earth's seven sisters. — -- An international team of astronomers has discovered seven potentially habitable exoplanets — or planets outside our solar system — that ...

Seventy light-years from Earth, a star called Kappa Tucanae A harbors one of astronomy's most perplexing mysteries: dust so ...

WASHINGTON — An Earth-sized planet in its star's habitable zone has been discovered in data from NASA’s Kepler space telescope. NASA says the newly found exoplanet is the closest to Earth in size and ...

(CBS/ AP)– NASA’s planet hunter satellite TESS has discovered an exoplanet orbiting two stars instead of one — and it was identified by a high school intern. The announcement of the circumbinary ...