An Earth-observing radar satellite launched in July jointly between the U.S. and India has returned its first images of our planet’s surface.

The Habitable Worlds Observatory is poised to tell us whether Earthlike planets are common—if it can get off the ground ...

The outer bands of Hurricane Humberto lashed Bermuda on Tuesday as it approached the tiny British territory, with newly ...

Orbital traffic software firm Kayhan Space released a free online tool Sept. 30 that it says will help researchers and ...