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

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

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

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

Earth will pass through a trail of debris left behind by Halley’s Comet in 985 B.C.E. ahead of the Eta Aquariids' peak.

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

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

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

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

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

The Moon passes 0.3° north of the red giant star Antares in Scorpius today at 5 P.M. EDT. The pair is not visible in the early evening, rising in the hour before local midnight. You can catch ...

The Moon passes 0.3° north of the red giant star Antares in Scorpius today at 5 P.M. EDT. The pair is not visible in the early evening, rising in the hour before local midnight. You can catch ...