A SpaceX Falcon 9 rocket will launch the Transporter-1 rideshare mission with dozens of satellites from Cape Canaveral on Friday, Jan. 22, at 9:24 a.m. EST (1424 GMT). Watch it live!
A new space policy highlights the fundamental role of Global Positioning Systems (GPS) in securing the United States' safety and economic growth.
Water may have recently flowed within meteorites, suggesting the asteroids they broke off from may bear ice, a new study finds.
The CIA just turned over 2,700 pages of UFO-related material to The Black Vault, a free repository of UFO records online.
Harvard astrophysicist Avi Loeb has reignited a debate about whether alien life can explain an object that visited the solar system in 2017 in a scathing new book.
Looking closely at eclipse images, stargazers can spot a newfound Kreutz sungrazer comet that zoomed by the Sun during Chile and Argentina's solar eclipse.