John Glenn, the first American to orbit Earth, dies at 95.
NASA's Cassini spacecraft delivers stunning views from its new orbital perch.
Cassini's final main engine burn this weekend sets up the first act of a grand finale.
A big, nitrogen-ice-filled basin has apparently caused Pluto's entire crust to shift over time.
There's a good chance to catch a rocket launch at dusk on Saturday night, when an Atlas V rocket with GOES-R takes to space.
An innovative technique sheds new light on what doomed Britain's Beagle 2 spacecraft when it tried to land on Mars in 2003.
NASA's intrepid Mars rover gets a close-up view of a bizarrely shaped space rock that landed on the lower slope of Mount Sharp.
New glimpses from the Mars Reconnaissance Orbiter and ongoing data analysis are revealing the fate of the Schiaparelli lander.
A pair of high-resolution images taken from high above Mars appears to show the impact site of ESA's Schiaparelli lander.
Here's what we know so far about the fate European Space Agency's Schiaparelli mission.
After a 7-month journey from Earth and a 139-minute rocket burn, the ExoMars Trace Gas Orbiter has settled in around its new home.
Engineers have decided to keep the Jupiter probe, Juno, in its current orbit until an issue with its engine can be addressed.
NASA’s youngest Mars orbiter has watched clouds grow and detected an ozone accumulation on the Red Planet.
Planetary scientists haven't yet witnessed an active volcano on Venus, but a new study pinpoints a likely set of still-warm lava flows.
As Schiaparelli prepares to land on Mars, how are the other robotic denizens of the Red Planet doing?
The innovative joint European Space Agency/Roscosmos Schiaparelli lander begins its three day solo journey to the Martian surface this weekend.
Newly released Hubble images show what appear to be towering jets of water coming from Jupiter's moon Europa.
NASA's Curiosity rover took time out from its exploration of Mars to capture some dramatic layering in sandstone cliffs.
The European Space Agency's Gaia mission has released its first data release, mapping a billion stars across the Milky Way and beyond
NASA's Osiris-REX spacecraft launched successfully from Cape Canaveral on September 8th and is headed to asteroid Bennu for a dramatic sample return mission.
On August 27th, NASA's Juno made its closest pass to the giant planet — here's what we learned.
It's taken nearly two years, but a dedicated search of craggy Comet 67P/Churyumov-Gerasimenko has turned up the long-lost landing craft Philae.
Dust and gas between stars would pose a threat to spacecraft en route from Earth to the Alpha Centauri system — and scientists are seriously considering the problem now that the prospect of interstellar travel is no longer sci-fi.
The discovery of trans-Neptunian object 2011 KT19 in a strange orbit deepens a key mystery in the outer solar system.
Careful tracking of NASA's Dawn spacecraft reveals that Ceres has a rocky core and a thick ice-and-salt crust. Maybe a briny ocean still lies buried inside.