NASA has let go of its goal to return humans to the moon's surface by 2024.
The first (and only) black hole to ever have its snapshot taken from Earth shoots out vast jets of plasma that travel near the speed of light, new computer models show.
Groups of walruses gathering on land are so large they're visible from space. Unfortunately, the reason why doesn't bode well for the animals' future.
While NASA's James Webb Space Telescope has faced countless obstacles and delays in its more than decade in the making, the observatory's most difficult days lie ahead in the coming months.
For more than 30 years, one Texas family has shown their support for NASA mission control with a simple gesture: sending flowers.
A new physics breakthrough shows how Einstein's theory of general relativity continues to hold up, even for "balding" black holes.
Two NASA astronauts in space right now have some ideas about what the future may hold in low-Earth orbit (LEO), and what they hope to see in a commercial space station.
NASA is less than one month away from launching humanity's first-ever asteroid-deflecting mission, known as DART, short for "Double Asteroid Redirection Test."
The U.S. needs to invest more in nuclear-powered spacecraft to be competitive with nations like China, experts say.
In a new study, male mice exposed to simulated galactic cosmic radiation (GCR) — high-energy radiation in space more commonly known as deep-space radiation — experienced impaired spatial learning.
The United States Senate's largest committee wants NASA to choose a second company to build its new moon lander.
A crew of 12 "disability ambassadors" successfully completed a weightless flight Sunday (Oct. 17) in the pursuit to make space accessible for all.
A group of artists has launched a colorful, jellyfish-looking craft into Earth's stratosphere as part of a unique test flight.
Twelve disability ambassadors will fly weightlessly on Sunday (Oct. 17) as part of an initiative to advance disability inclusion in space.
Astronaut Stephanie Wilson can be seen 4,800 square feet (446 square meters) tall in a new "Earthwork" portrait in Atlanta, Georgia.
A solar storm hit Earth and brought with it a spectacular light show visible as far south as New York.