The Latest Breaking News on Space

Two Chinese astronauts spent about 8.5 hours outside the Tiangong space station today (May 28), setting a new spacewalk-duration record for the country.

ESA and some of its member states have signed the non-binding Zero Debris Charter, committing themselves to take steps to help tackle the orbital debris problem.

An innovative telescope design has proven successful for daytime skywatching, opening new doors for uninterrupted observation of the cosmos.

The universe is being revealed in exquisite detail with the current generation of large optical telescopes.

In her recent book, Alien Earths: The New Science of Planet Hunting in the Cosmos, Lisa Kaltenegger discusses exoplanets, aliens, and how science mixes caution with optimism.

This bizarrely puffy world exoplanet is one of the least-dense exoplanets ever discovered. It stumped astronomers. Until now.

The first of a pair of climate satellites designed to study heat emissions at Earth's poles for NASA is in orbit after lifting off atop Rocket Lab's Electron rocket from the company's Launch Complex 1 in Mahia, New Zealand at 7:41 pm NZST (3:41 am EDT) on Saturday, NASA informed…

Will clouds help cool or warm our world in the years ahead? The scientific community is eagerly awaiting this information so it can update climate models that estimate how quickly our world will warm, the ESA said.

Skywatchers who plan to rise early and step outside on June 3 expecting to see a stunning display of visible planets will be quite disappointed, at the very least.