Originally planned to have a primary five-year mission followed by a five-year extended mission, the Nancy Grace Roman Space Telescope will now operate for over two decades.
SpaceX is targeting Sept. 22 for Starship's first-ever orbital launch, a landmark flight that will deploy 26 Starlink satellites and last about 10 hours.
A satellite's view from above fills the gaps in our understanding of the grim realities of war and makes it harder for totalitarian regimes to hide their crimes. But challenges exist.
On Sept. 15, 1968, the Soviet Union launched the Zond 5 spacecraft carrying tortoises and more on a mission to loop around the moon and return to Earth. Here's why it mattered.
International Observe the Moon Night 2026 occurs on Sept. 19 as the lunar disk is well placed for exploring its craters, mountains and ancient lava plains.
Former NASA astronaut and Artemis II pilot Victor Glover is stepping away from his space agency duties to take on a new role — executive advisor to the president of Cal Poly University.
The discovery of water in dark craters at the moon's poles has sparked a "moon rush" to establish bases there, and then villages, cities and heavy industry. How sustainable is this rush?