The final milestone in construction was reached on November 25, as technicians carefully joined the giant telescope's inner ...

NASA’s mission to one of the rarest types of asteroids in the solar system is set to launch on Oct. 12 from the Kennedy Space Center after a delay over the spacecraft’s nitrogen cold gas thrusters.

Strange green beams that swept across Hawaii’s night sky have become the latest flashpoint in the uneasy rivalry between the United States and China in orbit. What began as a brief visual spectacle ...

NASA announced Thursday that it has created a new position to investigate UFOs following the release of a new report on Unidentified Anomalous Phenomena — or UAP, the preferred government terminology ...

From the iconic moon landing to pictures of intergalactic space, more than 140,000 images, audio and video collected by NASA over the decades are now housed in one nice, neat and searchable location: ...

Bennu asteroid samples returned by NASA's OSIRIS-REx mission reveal life's building blocks, including sugars like ribose and ...

Uranus is the coldest planet in the solar system. NASA/JPL Uranus, the seventh planet from the Sun, orbits in the outer solar system, about two billion miles (3.2 billion kilometers) from Earth. It is ...

NASA's James Webb Space Telescope has provided unprecedented insights into the distant and luminous galaxy GN-z11, which was present when the universe was only about 430 million years old. Webb's ...

NASA has chosen four small-scale astrophysics missions for further concept development in a new program called Pioneers. Through small satellites and scientific balloons, these selections enable new ...

As a NASA science flight was flying over the Greenland ice sheet this spring, a surprise popped up on a specialty radar: a hidden Cold War city more than 100 feet beneath the ice. In April 2024, a ...

Two NASA satellites, planned for launch no earlier than Oct. 26, will give us a unique view of Earth’s atmosphere. CloudSat and Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations ...