The volume density of asteroids in the main belt about 10 times higher than that of Jupiter’s Trojan asteroids.

The Moon moves down an early-morning line of planets while Eta Aquariid meteors streak through the sky this week.

The long-delayed Starliner mission, if successful, will give NASA and future space tourists more options for getting to low ...

Approximately 5,000 meteorites are heating up and sinking into the ice every year and becoming inaccessible, a new study finds.

Discovering new black holes is no easy feat — where do you even begin to look? New data and techniques help us get closer ...

Barry Wilmore and Sunita Williams will be aboard the Starliner, scheduled to launch at 10:34 pm EDT on Monday, May 6.

The spiders on Mars form during the planet's springtime when temperatures rise and rays of sunlight touch the ice layers of ...

The evening sky loses its last planet early in May, shifting the attention of planetary observers to the morning.

Simulations show that a slow, shallow impact formed the western half of Pluto's heart - and also shed light on the dwarf ...

As the Moon rises early in the morning, Mars and Neptune meet in a conjunction and we gear up for the Eta Aquariids in the ...

This week, early risers can watch as a beautiful line of planets parades past the Moon. With Mercury’s return, the swift ...

The tau neutrino, one type of particularly energetic neutrino, has eluded IceCube's detectors on the South Pole – until now.