"For asteroids of the size scale relevant to planetary defense (i.e., ∼50-500 m), the mass can only be directly measured ...

Two landers manufactured by Firefly Aerospace and Intuitive Machines were briefly on the moon at the same time in March 2025. Here's what happened.

More than 3,000 objects from the late 1800s found buried under a ski resort in Utah, marking a mining town's history ...

It's been about eight months since the Vera Rubin Observatory (VRO) saw first light. Now the telescope is scanning the night sky to detect transient changes and sending alerts to astronomers and ...

The Royal Observatory in Greenwich was commissioned by Charles II in 1675. It has played a key role in the history of astronomy and navigation.

There’s a corrugated metal building in Bishopville, South Carolina that contains more buttons than every grandmother’s sewing ...

A galaxy made almost entirely of dark matter, an elusive form of matter that doesn’t interact with light, was spotted by Hubble 250 million light-years from Earth.

Gary McKinnon, 60, rummaged through 97 US army and authorities websites in the early 1990s from his girlfriend’s aunt’s flat ...

Houchin and his colleagues studied dozens of zircon crystals from the Jack Hills in Western Australia. These are the oldest known fragments of Earth rocks. Some date back to the Hadean Eon, which ...