Science & Astronomy

A new image from NASA's HIRISE camera reveals strange 'polygons' cracking open the surface of Mars. It's just a typical sign of spring, scientists say.

NASA's tiny CAPSTONE spacecraft has begun its long, history-making journey to the moon.

European astronaut Samantha Cristoforetti posing at the hatch between the International Space Station and the Cygnus cargo vehicle, which is expected to depart on Tuesday (June 28).

Rocket Lab will launch NASA's CAPSTONE cubesat to the moon from New Zealand atop an Electron booster, and you can watch it live online.

Landsat satellites have been pinpointing risks of extreme heat within cities.

An exoplanet hunter and first-light detector on the James Webb Space Telescope is ready to do science, six months after the observatory launched to space.

A new video shows the crater-riddled surface of the solar system's smallest planet Mercury as captured during a super close flyby of the BepiColombo spacecraft.

Asteroid research and planetary defense is of great interest to scientists around the world, which is why June 30 marks international Asteroid Day.

The projected growth in the number of rocket launches will have a detrimental impact on Earth's climate and its protective ozone layer, a new study has found.

Next time the Event Horizon Telescope turns to study the monster black hole at the center of the Milky Way, it will have help from the James Webb Space Telescope.

We should be intrigued, but not too excited (yet). Any interesting signal has to go through a lot of tests to check whether it truly carries the signature of extraterrestrial technology.

NASA has called off plans to launch a small cubesat to the moon on Monday (June 27) to allow more time to check its Rocket Lab booster for flight.

NASA revisits a spectacular Hubble Space Telescope shot of the dwarf galaxy ESO 318-13 in this stunning photo.

Researchers have found a new way to detect some of the most cataclysmic mergers in the universe before they happen.

The Gaia star-mapping mission gives us brand new information about star formation and moons around asteroids, as well as secrets about the Milky Way's origins and possible future.

Artemis 1 rehearsal declared a success, the International Space Station dodges Russian space debris, and NASA's InSight lander favors science over energy at its mission end.