On December 21, Jupiter and Saturn will be the closest they've been in the sky since the...

The asteroid, known as 2020 GQ or ZTF0DxQ, flew so near to Earth that it's now the...

The photo from NASA's Hubble Space Telescope shows how newborn stars have used up all the...

Astronomers created a "weather satellite" by linking a Jupiter-orbiting spacecraft,...

Such images could help forecast dangerous space weather.

Astronomers think the planet, called Proxima c, is a super-Earth that formed far from the...

CHEOPS will attempt to study the atmospheres of exoplanets. It launches into Earth orbit...

NASA and other space agencies are building telescopes that will study dark matter,...