Watch the Moon Landing of China’s Chang’e-5 Spacecraft

Within hours of arriving, it started drilling and scooping lunar rocks and soil to bring back…

The Arecibo Telescope in Puerto Rico Collapses

Astronomers and residents of Puerto Rico mourned as an eye on the cosmos shuttered unexpectedly overnight. …

China Lands Chang’e-5 Spacecraft on Moon to Gather Lunar Rocks and Soil

The mission will now collect samples, aiming to return with them to Earth by mid-December. …

NASA Launched a Rocket 54 Years Ago. Has It Finally Come Home?

Surveyor 2 crashed on the moon in 1966. Astronomers think they’ve spotted a piece of the…

Watch a Lunar Eclipse, or at Least Try To

Penumbral eclipses are subtle, but there are good reasons to try to notice one. …

Can a Computer Devise a Theory of Everything?

It might be possible, physicists say, but not anytime soon. And there’s no guarantee that we…

China to Collect Moon Rocks in a Mission Launching Soon

It has been four decades since lunar samples were brought to Earth, and the Chang’e-5 spacecraft’s…

Signs of Recent Volcanic Eruption on Mars Hint at Habitats for Life

Not thought to be volcanically active, Mars may have experienced an eruption just 53,000 years ago. …

Arecibo Observatory, a Great Eye on the Cosmos, Is Going Dark

The radio telescope in Puerto Rico has to come down before it collapses. Click…

SpaceX Crew Docks at the International Space Station

“Docking confirmed,” the company founded by Elon Musk announced Monday night. Click here for…