You can now help discover new worlds beyond our solar system from the comfort of your home, thanks …

Astronomers have discovered more than 100 new trans-Neptunian objects (TNOs), minor planets located…

Satellite images have spotted 11 new colonies of penguins in Antarctica bumping up the estimate for…

Scientists have been searching for a "Planet Nine," or a large planet farther from the sun than Nep…

Kepler observes 150,000 stars, and has found a few thousand of those to have planet candidates. If …

Kepler scientists have added 833 new exoplanet candidates (potential planets outside our solar syst…

Since Kepler is no longer hunting for planets, NASA is now hoping that a new space telescope will a…

Stern is an ardent defender of Pluto's planethood. In 2015, shortly after New Horizons flew past Pl…

Kepler-37b, about one-third the size of Earth, is one of two other planets found in a region within…

"Although Mars gets the lion's share of attention for future human missions, scientists have pointe…

Scientists discovered an Earth-like, potentially habitable planet about 3,000 light-years away. Its…

In this particular system, the smaller of the two stars is on the brink of being too small to be co…

Aliens could see Earth passing in front of the sun and notice the chemical footprints of life in ou…

The new worlds also exhibit a unique mathematical quality that researchers don't fully understand y…

The head of the Russian space agency Roscosmos, Dmitry Rogozin, also said the country plans to send…