A recent analysis of data from NASA's Dawn spacecraft reveals the role of cryovolcanism past — and likely present — on the giant asteroid Ceres.
Cassini's legacy sheds more light on the strange mystery of Saturn's northern polar hexagon.
NASA's Osiris-REX asteroid sample return mission spies target Bennu for the first time. Now the spacecraft is setting up for its close approach in December.
The unique Parker Solar Probe launched on Sunday, August 12th, set to fly faster and come closer to the Sun than any spacecraft before it.
HaloSat, a mini-satellite recently deployed from the International Space Station, is on the hunt for the universe's missing matter.
A new National Academies study assesses NASA's efforts to protect neighboring worlds from contamination and recommends ways the space agency could do a better job.
The expedition off the coast of Washington state performs a first, recovering meteorite fragments from a documented fall.
We got a peek at a new worldlet in the inner solar system this week, as the Japanese Aerospace Agency's (JAXA) Hayabusa-2 gave us our first good looks at the tiny asteroid 162173 Ryugu.
NASA's Dawn spacecraft has entered a new and final orbit that will take it less than 30 miles above the surface of asteroid Ceres.
A new study sheds light on an old mystery surrounding anomalous readings from the Apollo landing sites.
An innovative technique has allowed NASA's Curiosity Rover to resume drilling Martian rocks. But the partially successful test shows that more work remains to be done.
A Dutch radio astronomy experiment hitched a ride today with China's relay satellite for the upcoming Chang'e 4 mission.
The Cygnus OA-9 mission launching from Wallops Island early Sunday morning could put on quite a show along the East Coast.
A small helicopter will be the first mission to fly through the skies of Mars.
The Mars Cube One mission — the first to send CubeSats into interplanetary space — will test revolutionary relay technologies as it accompanies Mars Insight to the Red Planet.
The International Astronomical Union has approved names for features on Pluto's largest moon, Charon.
The European Space Agency's ARIEL mission will seek to analyze the atmospheric composition and true nature of distant worlds.
China's first space station reentered Earth's atmosphere over the South Pacific after almost seven years in space.
A series of 11 sounding rocket flights from two remote locations in the Arctic circle will help unlock the secrets of the processes behind the Northern Lights.
The recent budget proposal for NASA dealt a blow to the astronomical community, putting several key missions — including WFIRST, a successor to Hubble — under the financial axe.
60 year ago today, a small satellite ushered in the U.S. space program in a big way.
The Kilopower fission reactor will offer a more efficient and more powerful portable power source for solar system exploration.
The next year will see space missions headed for Mars, Mercury, the Sun, and more. Asteroid rendezvous, exoplanet discoveries, and a Mars landing await.
NASA has selected two finalists for consideration as the next New Frontiers mission: a comet sample return and a flying drone for Titan.
NASA engineers directed the historic spacecraft Voyager 1 to fire its backup thrusters for the first time in 37 years.