NASA believes it is still possible to perform the first launch of the Space Launch System before the end of 2020.
The universe may be full of binary stars that have been exiled from their home galaxies, thanks to one star's rowdy behavior.
SpaceX put 60 bright satellites in space May 23, and astronomers are sounding the alarm about the eventual 12,000-strong Starlink constellation SpaceX plans.
Federal prosecutors have charged a man with falsifying inspection records for hardware his company produced for SpaceX, highlighting an issue about the overall aerospace industry supply chain.
A look at the three commercial spacecraft that will carry NASA payloads to the lunar surface in 2020 and 2021.
Let's be very clear: No one is suggesting that Martians feast on pasta during a Red Planet all-you-can-eat buffet.
The first 60 Starlink satellites have notched a number of important milestones since their launch to low-Earth orbit last Thursday (May 23), company representatives said.
A new video shows a spectacular ribbon of flame emanating from a Sierra Nevada Corp. engine during a test for future United States cargo launches.
NASA has picked Astrobotic, Intuitive Machines and Orbit Beyond to build private moon landers to fly science experiments to the moon in 2020 and 2021.
UFOs are very real, as we have recently seen — but that doesn't mean E.T. has been violating our airspace.
During the last days of May and the first of June, navigating a cluster of carnivorous constellations can help you identify star patterns, including the Great Bear (Ursa Major) and the Lion (Leo).
Do you need a break? NASA has you covered with an incredible new time-lapse view of Earth taken from the International Space Station.
NASA will reveal its selection of the first commercial companies to deliver its science experiments to the moon. Here's how to watch.
While it's tough for humans and spaceships to travel near light speed, tiny particles do it all the time. Here are three ways that's possible.
The former leader of the U.S. government's top-secret UFO program has stories to tell, and he is sharing some of them for the first time in a new documentary.
An instrument on board the International Space Station is painting the night skies with X-ray observations of the universe around us — and producing a stunning image in the process.
A powerful new rocket showed its stuff today (May 30) during a dramatic ground test that didn't go exactly as planned.
A Russian rocket lit up the night sky over Baikonur Cosmodrome Thursday (May 30) to launch a powerful new communications satellite into orbit.
On May 28, 1900, the moon blotted out the sun in a celestial magic trick. Modern technology has allowed film experts to put the footage online, where — in a feat of time travel — you can watch it.
At the very largest scales — zooming out from solar systems, stellar clusters and even galaxies — a surprising pattern emerges in nature.