Scientists measure the distance to the Moon by bouncing lasers off mirrors placed there by space probes and astronauts.

Earth and the Moon are forever locked in a gravitational embrace that has played a critical role in determining the fate of both worlds. Although they have grown more distant since their formative ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Every year, the moon, Earth's reliable celestial companion for 4.5 billion years, is getting 1.5 inches away. The distance to ...

Long ago, the Moon was much nearer Earth. Scientists believe a protoplanet collision created the Moon 4.5 billion years ago. Fossil clam shells show shorter Earth days in ancient times.

Scientists think the moon may have an interior that's kind of similar to Earth's — but questions remain. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

The interior of the mysterious far side of the moon may be colder than the side constantly facing Earth, suggests a new ...

CAPE CANAVERAL, Fla. (AP) — Planet Earth is parting company with an asteroid that’s been tagging along as a “mini-moon” for the past two months. The harmless space rock will peel away on Monday, ...

For more than sixty years, a tiny asteroid has been moving in step with Earth, hidden from view until recently. Astronomers now confirm that this small body, named 2025 PN7, is traveling in a special ...

JACKSONVILLE, Fla. – In an extraordinary celestial event, Earth has been hosting a “mini-moon” the size of a city bus for the past several weeks. Officially named asteroid 2024 PT5, this object ...

The European Space Agency’s Juice mission made two historic firsts this week on its long journey to study the potential habitability of Jupiter’s icy moons. The Juice, or Jupiter Icy Moons Explorer, ...