An epic set of new videos shows the fiery power of Firefly Aerospace's forthcoming Alpha rocket.
Artificial satellites from Earth have only populated space since 1957, but there are now hundreds of thousands of objects from our planet in orbit.
NASA Administrator Jim Bridenstine says the landing system and rocket for Artemis need to be ready next year for the agency to achieve a crewed moon landing in 2024.
Patient "Star Trek" fans have waited 55 years for Captain Christopher Pike to have his own series — and that series will finally launch in just a few months.
NASA recently highlighted some collaborations between the Chandra X-ray Observatory and other telescopes.
As International Observe the Moon Night goes virtual this year, NASA is inviting the public to join a live celebration online.
Lawrence's lecture on "The Virtual Astronaut" live event series will stream live Friday (Sept. 25) at 7 p.m. EDT (2300 GMT).
Scientists have found fresh evidence in lunar rocks showing that the moon was likely formed after a Mars-sized planet crashed into the proto-Earth more than 4 billion years ago.
Among the many new characters that "Star Trek: Discovery" will introduce in Season 3 is one of the non-human sort: a fluffy feline named Grudge.
The "Kerbal Space Program: Enhanced Edition Complete" game celebrates its ninth anniversary with digital launches for PlayStation 4 and Xbox One.
Smoke from the devastating U.S. wildfires is spreading across the country, moving north into Canada and across the Atlantic Ocean to Europe.
Two asteroids made close flybys of Earth on Monday (Sept. 14), in both cases showing a common occurrence that didn't put our home planet at any risk.
Two-time NASA spaceflyer Clayton Anderson is the first speaker in a new virtual initiative designed to keep astronauts in the public eye.
The seedy Mos Eisley Cantina is home to some of the most iconic moments in the first "Star Wars" film, and soon you'll be able to recreate them on your own in Lego form.
A Chinese reusable experimental spacecraft has safely landed after two days in orbit, according to state media, and may have deployed a satellite during its mysterious, brief journey in space.
On Tuesday (Sept. 8), actors will celebrate an online "Star Trek" day with panels and discussions, while discussing the series' emphasis on diversity.
NASA's new Space Launch System megarocket and associated ground infrastructure have soared past original cost estimates to a degree that requires the agency to notify Congress.