Theia and Earth did not combine to form Moon, a new study suggests. The Moon might be a part of only Earth, a sibling 384,400 ...

Scientists have long sought to determine the age of the moon's South Pole–Aitken (SPA) basin, the largest and oldest known ...

Plus: Observe two stunning spirals, see Venus reappear as a morning star, and enjoy the Last Quarter Moon in the sky this ...

A mysterious meteorite, discovered in Northwest Africa in 2023, is challenging what we know about the solar system’s history.

China’s Chang’e 6 mission uncovers evidence of a molten lunar magma ocean and a violent ancient impact.

While making the deliveries, the Blue Ghost lander experienced one lunar day. During the course of that day, it captured ...

Deimos is the smaller and less photographed of Mars’ moons. This egg-shaped object, only measuring about 7.7 miles in ...

Images from the Hera mission show the object in remarkable detail — a small island gliding above the crater-scarred Martian ...

Created from debris trails from Halley’s Comet, the eta Aquariids can be seen from both the Northern and Southern Hemispheres ...

New images of the mysterious Martian moon Deimos were captured when the Hera mission activated its instruments past Earth for ...

Like our moon, Deimos is tidally locked to Mars, meaning the same side always faces the planet—the only side visible to ...