NASA's Mars helicopter is ready to make its first flight attempt after a two-week communications blackout caused by the sun's being directly between Earth and the Red Planet.
The risk of collisions in space, the fate of the United States in orbit after the space station retires and continuing debates over NASA's path back to the moon dominated a two-hour hearing.
Astronaut Nicole Stott's new book "Back to Earth" chronicles her experience on the International Space Station and how lessons there could help people on Earth.
South Korea's first launch of its new rocket, dubbed Nuri seemed to go smoothly — until engineers determined that the mock payload hadn't been delivered to the proper orbit for unknown reasons.
Days after NASA's new mission to a mysterious group of asteroids launched, spacecraft personnel continue battling an issue with one of the vehicle's two massive solar arrays.
NASA's newly launched mission bound for the Trojan asteroids has to address a small issue with its solar panels.
Decades ago, Donald Johanson found fossils of an early hominin that would rewrite scientists' understanding of our species. Now, he'll watch a spacecraft named for the discovery blast off Earth.
Squeezing flybys of eight asteroids, most in a completely unexplored region of space, into just 12 years is a challenge, but that's exactly what NASA's newest mission will do.
Spacecraft have visited most pockets of the solar system by now, but a new region is about to come under the robotic inspection: the two clumps of asteroids that flank mighty Jupiter in its orbit.
NASA's newest asteroid mission, a spacecraft targeting space rocks that orbit ahead of and behind Jupiter, is ready to begin its journey.
China's new moon-rock treasure trove may be a billion years younger than the material the Apollo program brought home decades ago, according to new research.
Mars-bound landers and rovers may not need to undergo quite such stringent cleaning procedures as they previously have before leaving Earth.
When NASA's most recent Mars lander trekked out to the Red Planet, it had historic company: two tiny cubesats, the first to leave the relative safety of Earth orbit.
Actor William Shatner and a Blue Origin vice president will fill the last two seats on the company's second crewed flight.
With Blue Origin's second crewed flight less than two weeks away, the company is facing scathing allegations about its culture and the safety of its suborbital launch system, New Shepard.
NASA astronaut Megan McArthur shared three photos of the massive Hurricane Sam as seen from the International Space Station.
By diligently tracing dashcam footage from a particularly spectacular fireball seen over central Europe in February 2020, a team of scientists hit pay dirt on three fragments of space rock.
A whopping 20 new scientific papers use data gathered by a host of radio dishes perched high in the Chilean desert to tease apart the mysteries of how planets form.
Climate change on Earth — and the brutal repercussions it causes — might interfere with the search for life far beyond our own planet.
NASA astronaut Mark Vande Hei will stay in space until March, giving him a record-setting spaceflight.