Getting from Earth to space isn’t just about speed—it’s about planning the right trajectory. The Moon, our closest neighbor, ...

"Scientifically there's a huge amount we can learn from asteroids," says Alan Fitzsimmons, an astronomer at Queens University ...

High above the Arctic Circle, on the rugged terrain of Andøya, three ESA radionavigation engineers take a rare moment to unwind with a game of shuffleboard. Outside, sheep graze under the shimmering ...

Firefly Aerospace’s robotic vehicle became the second privately built spacecraft to make a soft landing on the moon. It could soon be joined by two more private lunar landers.

“Firefly is literally and figuratively over the moon,” said Jason Kim, the CEO of Firefly Aerospace in a statement. "Our Blue ...

‘It’s going to be very, very hard’Odin, named for the father of Thor in Norse mythology, will be one of the first spacecraft developed by a private sector company to travel to deep ...

Blue Ghost launched atop a SpaceX Falcon 9 rocket on Jan. 15 and entered lunar orbit on Feb. 13. The spacecraft — Firefly's first-ever lunar lander — will touch down on Sunday at 3:34 a.m. EST (0834 ...

New evidence from an old NASA mission supports the theory that Jupiter's moon Callisto is in fact an ocean world.