Long before the full moon rises, shifting sunlight transforms the lunar surface into one of the sky's best telescope targets.

The launch is the 12th test flight of the mega-rocket that CEO Elon Musk is building to get people to Mars one day ...

Neptune has a complicated life story, and its moon Nereid might be the only one left standing from the planet’s ...

An asteroid named 2026JH2 will swing by Earth on Monday, passing four times closer than our distance to the moon.

Earth has a group of cosmic stalkers. Known as "co-orbitals," these small bits of rock have a 1:1 mean motion resonance with ...

An asteroid roughly the size of one to two school buses will fly by Earth, according to the European Space Agency.

Asteroid 2026 JH2 sailed came within 50,000 miles of Earth - about a quarter of the distance to the Moon - and was only ...

An ancient impact may have scattered material from deep inside the moon toward NASA's planned Artemis landing sites near the lunar south pole.

Asteroid 2026 JH2 will safely pass just 56,000 miles from Earth on May 18, giving astronomers a rare close-up view.

A newly discovered asteroid estimated to be about 62 feet wide will zoom near Earth on Monday, though it is not expected to ...