The military branch is testing its ability to respond to a threat by launching two spacecraft to chase after each other.
Ariane 6 is key to Europe's space ambition, but the program has suffered a series of technical hiccups.
The brightest gamma-ray burst of all time came from a supernova but mysteriously didn't show signs of heavy elements.
In Lunar Horizons, your mission is to find and collect resources to build a habitat on the south pole.
In response to the library's Facebook apology, one person stated they'll have to wait and see if they go blind.
An astrophysicist has simulated the appearance of our galaxy as it would have been seen from Egypt 4,000 years ago.
Angara A5, Russia’s largest operational rocket, took flight from the Vostochny Cosmodrome earlier today.
The Cheops satellite detected the rainbow-like phenomenon on an exoplanet for the first time.
NASA's upcoming Artemis missions will include an astronaut from Japan as part of an agreement between the two nations.
A pair of lunar spacecraft zipped past each other as they traveled in nearly parallel orbits.
The dazzling red features, witnessed by millions during totality, were anticipated as a result of the Sun nearing its solar maximum phase.
ULA's Delta IV Heavy rocket—famous for setting itself ablaze at liftoff—performed its final flight on Tuesday at 12:53 p.m. ET.
A pair of NASA spacecraft detected tiny variations in the Moon's gravitational pull, which may be the result of a dense layer sinking to the bottom.
Millions of people experienced totality on Monday as the Moon wandered between Earth and the Sun.
Making a last minute Amazon Prime order for eclipse glasses may not be the best idea.
All our coverage of the Great North American Solar Eclipse, including the weather forecast, fake eclipse glasses, citizen science, and more.
A neutron star merged with something unknown. Physicists think it might be a mini black hole.
Rocket Lab CEO Peter Beck has some unique approaches to innovation—and they seem to be working.
The two companies are dueling it out over proprietary information for a new mothership design.
Monday’s eclipse is bringing together a diverse group of citizen scientists, working to collectively enhance our knowledge of the Sun and Earth’s atmosphere.
