The chairman of the Senate's space subcommittee said May 16 that his committee will hold a hearing next week to hear testimony on possible updates to a 50-year-old treaty that is the cornerstone of international space law.
More than $560 million in budget cuts will be spread across many NASA programs, from science to human spaceflight, when the White House releases its complete fiscal year 2018 budget proposal next week.
Moon explorers could one day build their houses from bricks made out of lunar soil, or regolith, using just the energy of the sun, according to a new experiment by the European Space Agency (ESA).
Metal detected in the sky of Mars may come from meteors streaking through the Red Planet atmosphere, a new study finds.
Mouse sperm preserved on the International Space Station for nine months gave rise to healthy pups, a new study finds, suggesting that people could one day reproduce safely in space.
Separating space operations from the Air Force would hamper the service's efforts to address threats in orbit, Chief of Staff Gen. David Goldfein said May 17.
The secondary mirror blank of the European Southern Observatory's Extremely Large Telescope (E-ELT) was successfully cast. The mirror is 4.2 meters (13.8 feet) in diameter and weighs 3.5 metric tons (3.86 US tons).
The majority of antimatter that pervades the Milky Way may come from clashing remnants of dead stars, a new study finds.
Nearly 25 years after they lifted off together, Michael Foale and Ellen Ochoa entered the Astronaut Hall of Fame as inductees. Ochoa and Foale made up the 16th class of shuttle astronauts to be inducted, bringing the total to 95.
On Tuesday, May 23, NASA astronauts Peggy Whitson and Jack Fischer will perform a critical computer relay box replacement after a failure on May 20. You can watch the spacewalk live here, beginning at 6:30 a.m. EDT (1030 GMT).
Here's a guide to the major astronomical events of the next year, as well as space launches and milestones for spacecrafts already in travel.
NASA Astronauts Peggy Whitson and Jack Fisher will replace the multiplexer/demultiplexer, or MDM on May 23, 2017.
Bands of bright solar plasma, or streams of charged particles, stretch between magnetically active regions on the sun's surface in this image captured by NASA's Solar Dynamics Observatory.
A European Space Agency (ESA) project used focused solar heat to bake the simulated moondust, made from terrestrial volcanic material, at a temperature 1000°C to create the bricks.
An Apollo 11 lunar sample bag that was the focus of a legal dispute is set for what could become a record sale. Sotheby's will auction the pouch at its July 20 space exploration sale.
Musician Jason Achilles Mezilis was recently contracted by NASA to perform a microphone-evaluation study for the 2020 Mars rover. Space.com talked to Mezilis about that process.
Space weather typically refers to charged particles ejected by the sun that can interact with the Earth's atmosphere and magnetic field. However, a new study shows that humans also can change the near-Earth space environment.
Astronomers have spied the possible aftermath of a colossal black hole collision that happened in the center of a galaxy far, far away.
NASA astronauts will take an unplanned spacewalk Tuesday (May 23) to replace a failed data relay box outside of the International Space Station, restoring critical redundancy to the orbiting outpost, agency officials said Sunday (May 21).
On Aug. 21, 2017, a total solar eclipse will darken the skies from Oregon to South Carolina. Here's what you need to know about this rare celestial show.