With an apparent brightness of magnitude 9.7, the object's light requires 17 minutes and 18 seconds to traverse the distance to our planet.

The Sentinel-6B is the second of two satellites in a $1 billion program to monitor sea levels over a full decade.

SpaceX launched an advanced ocean-mapping satellite to orbit from California early Monday morning (Nov. 17). The Sentinel-6B ...

A new super-Earth GJ 251 c, located a mere 20 light-years from Earth, is shaping up as one of the most promising prospects to ...

Google's parent company Alphabet has already put the robots on your streets with Waymo, but that clearly wasn't ambitious ...

The satellite photo said to show victims of a massacre in Sudan turns out to depict livestock near a watering site.

Google unveils Project Suncatcher, a plan to launch solar-powered satellites equipped with AI chips into orbit by 2027, ...

Years ago, scientists noted something odd: Earth’s Northern and Southern Hemispheres reflect nearly the same amount of sunlight back into space. The reason why this symmetry is odd is because the ...

Read full article: VIDEO: SpaceX rocket launch from Florida sends Starlink satellites into orbit An artist’s concept of a suited Artemis astronaut looking out of a Moon lander hatch across the lunar ...

Update for Oct. 21: Due to cloudy weather, this livestream was rescheduled for Oct. 24, beginning at 1:30 p.m. EDT (1730 GMT). Two comets, C/2025 A4 (Lemmon) and C/2025 R2 (SWAN), are about to reach ...