A powerful explosion on the Sun's surface has sent particles on a collision course with Earth's atmosphere, which could mean we're in for a nice light show in some unusual locations.
Enceladus and Europa are among the most promising places where alien life could exist in our solar system.
This is the first time pure sulfur has been found on the Red Planet.
The mysterious objects may be far more common than we thought and may have brought water to Earth.
Cost overruns and delays doomed the ice-hunting lunar rover.
The Ramses mission would stalk the asteroid as it barrels toward our planet.
The test is part of ongoing efforts to increase space-to-Earth communication speeds by 1,000-fold.
The rapper's 1997 debut single is now the first hip-hop song sent to deep space.
The dark side of exoplanet WASP-39b is a scalding 1,450 degrees Fahrenheit.
A relatively long cave system on the Moon is a "promising site for a lunar base," according to the team that identified the structure.
The rare atmospheric phenomenon was powered by thunderstorms off the coast of South Africa.
The Falcon 9 failed to deliver the satellites to their intended orbit, spoiling an impressive streak for the hard-working, freakishly reliable launch vehicle.
Scientists at Weill Cornell Medicine and Cornell University have designed a Dune-inspired spacesuit that recycles urine, which should help prolong spacewalks.
A broadened definition of what constitutes a planet will be proposed next month, one that would include planets existing beyond our solar system.
An upcoming Chinese mission will attempt to deflect a small asteroid in the ultimate showdown of planetary defense.
The intense radiation from Jupiter could damage parts of the Europa Clipper spacecraft, putting NASA's mission to explore Europa at risk.
So far, the temperatures achieved during tests on the ground are not what the teams had hoped for.
The rocket's second stage failed to raise its altitude, preventing two of its payloads from being deployed successfully.
After years of delays, Ariane 6—Europe's next-generation rocket—finally reached space.
From the sizzling surface of the Sun through to the frigid expanse of deep space, these are the breathtaking vistas captured by the year's top astronomy photographers.