The glass cell that serves as the radar’s quantum component is full of cesium atoms kept at room temperature. The researchers use lasers to get each individual cesium atom to swell to nearly the size ...

Data from an old NASA spacecraft reveals a volcano erupted on the surface of Venus in 1991, a new study in Science says.

Images from the Lunar Reconnaissance Orbiter indicate a large cave on the Moon extends from a pit near where Apollo 11 landed in 1969.

Scientists at NASA collected radar images as two asteroids made recent close passes of Earth, and the data revealed that one of the space rocks has a tiny moon.

A young startup called Altos Radar is stepping up to challenge the light-based remote sensing technology with 4D millimeter wave radar.

Each week delivers compelling weather imagery – here are a few of our favorites from the past week.