On Mars, just as on Earth, gravity can send material tumbling down steep slopes — and the results can be stunningly pretty, as shown in this photograph NASA released today.
Celebrate 29 years of the Hubble Space Telescope with this gallery of our favorite views from the iconic observatory.
With work underway to return astronauts to space from U.S. soil, you can now piece together one of NASA's new commercial crew spacecraft using a toy kit from Poland.
Virgin Galactic's chief pilot believes the company will be able to go through the remainder of its SpaceShipTwo test program fairly quickly once test flights of the suborbital spaceplane resume.
No state has destroyed another state's satellite. This extraordinary restraint is worth preserving and expanding.
Here's a guide to the major astronomical events of the next year, as well as space launches and milestones for spacecraft already in travel.
A high-altitude version of the northern lights can create a headwind for some orbiting satellites, new research confirms.
The X-Men answer NASA's call for a space rescue in the last "Dark Phoenix" trailer. But do they have the right stuff?
Scientists just felt the Red Planet move under their feet — robotically from millions of miles away, on the stark surface of Mars.
The Universities Space Research Association is holding a symposium on space exploration today to mark the Apollo 11 50th anniversary. Watch live here!
A space rock called Bennu is getting its close-up: NASA's OSIRIS-REx mission to explore the asteroid has entered a new phase of detailed survey work.
In "Delta-v" (Dutton, 2019) by Daniel Suarez, out today (April 23), an unpredictable billionaire recruits an adventurous cave diver to join the first-ever effort to mine an asteroid.
A new documentary series about the tumultuous year 1969 shows how the first human moon landing fit into a year also known for murder and music.
A team of undergraduate students at Drake University in Iowa is developing a magnetic shield to defend interplanetary astronauts from the intense cosmic radiation between Earth and Mars.