'We know precisely where and when the collision will occur.' ...

Our satellite has endured countless blows over millions of years - and astronomers think this one could be a useful accident.

August is already shaping up to be one of the best months for skygazing in recent memory, and the hits just keep on coming.

Roll back the tape of Earth's history, and geologists and astrobiologists remain perplexed about the environmental conditions ...

For the first time in more than a century, a total solar eclipse is coming to mainland Spain with an even longer encore next summer.

One of summer’s most anticipated showers — the Perseids — is already underway, arriving overnight on Wednesday, Aug. 12 into ...

Pluto is on an icy march away from the sun. In 2114, it will turn back, but until then, its elliptical orbit will carry it to ...

United States astronaut David Scott ran one of the most famous experiments ever carried out in the lunar atmosphere. He dropped a geologic hammer and a feather from the same height at the same time, ...

Tickets are still available for the evening festivity, which will feature members of the mission’s heroic crew.