The milestone highlights the accelerating rate of discoveries, just over three decades since the first exoplanets were found.

Could a recently discovered "super-Earth" have the potential temperature and conditions to sustain life? The new exoplanet is situated "fairly close to us" -- only 137 light-years away -- and orbits ...

The orbits of a seven-planet system discovered in Kepler Space Telescope data has been sonified. Credit: Bishop’s University / Jason Rowe / NASA Ames Research Center ...

Orbital transfer vehicles launch atop rockets, carrying other spacecraft that they deliver to specific, often hard-to-reach, orbits. The new early-stage studies for NASA should be complete by ...

According to NASA, an asteroid the size of a 50-storey building will make a close approach to Earth this week.The rock known ...

The asteroid will pass the Earth at a distance of about 135,000 miles (about 217,000 km), considered "close" in astronomical ...