Tuesday, July 22, is expected to be the second of three days in 2025 where more than a millisecond could be shaved off the ...

The moon's thin atmosphere, called an exosphere, has been a puzzle to science for some time. Two main processes were thought ...

A new study from the University of Florida analyzing moon rock samples from a Chinese lunar exploration mission is rewriting ...

China's Tianwen 2 probe has captured striking pictures of home as it heads out to a near-Earth asteroid to collect samples.

"The underground volcanic lava pipes by the Jingbo Lake are the most similar environment on Earth to the underground space of ...

Planned moon and Mars missions require timely communications and navigation systems, which is prompting NASA officials to ...

The Intuitive Machines IM-2 Nova-C "Athena" moon lander captured views of the SpaceX Falcon 9 upper stage and Earth post ...

The planet’s spin hasn’t always been this way. Scientists say a day used to be just 19 hours long. Back then, tides from the ...

Scientists break down the reasons why days are getting shorter—and the mystery they're still trying to solve about Earth's ...

When NASA's upcoming Dragonfly probe skims the lakes of Saturn's moon Titan, it may encounter a froth akin to Earth's first ...

Look east around 4 a.m. local time, just before dawn, to see the slender form of the crescent moon climb above the horizon.

According to a new study, Earth's mini-moons may not be from the asteroid belt after all. They're made of Moon.