Charon orbits more than 19,000 km away from the planet. As seen from NASA's Pluto-bound New Horizons...

Astronomers have detected the raw material for making the first stars in galaxies that formed when t...

"Einstein's planet," formally known as Kepler-76b, is a "hot Jupiter" that orbits its star every 1.5...

Astronomers, for the first time, have discovered an exoplanet using a new method that relies on Eins...

The Herschel observatory, a European space telescope for which NASA helped build instruments and pro...

NASA's Kepler mission has discovered two new planetary systems that include three super-Earth-size p...

Astronomers have discovered that the rings of Saturn produce their own rain that falls onto the plan...

The first of the six Scorpene submarines ordered by the Indian Navy from French firm DCNS in 2005, a...

Pluto's orbit may host a formation of 10 or more tiny undiscovered moons, which would each measure j...