NASA's Perseverance Mars rover may have captured an image of interstellar comet 3I/ATLAS streaking across the sky above the Red Planet.
In a first-of-its kind operation, the United States repositioned one of its spacecraft to inspect an ally's satellite.
A U.S. House of Representatives task force will once again hold a hearing on Sept. 9 to hear from witnesses who claim the U.S. government is hiding evidence of UFOs.
The U.S. Space Force's X-37B space plane is carrying a sample of material that could someday help NASA land cargo and people on Mars.
Israel launched the Ofek 19 spy satellite atop a Shavit rocket on Sept. 2, which came as a surprise to some local residents, according to news reports.
President Donald Trump announced on Tuesday (Sept. 2) that U.S. Space Command will be relocated from Colorado to Huntsville, Alabama.
Astronomers using NASA's James Webb Space Telescope (JWST) have discovered a newfound moon orbiting icy Uranus, the seventh planet from the sun.
The U.S. Space Force's powerful new military radar system designed to detect and track objects in distant orbits above Earth has passed an initial key test.
United Launch Alliance is set to launch an experimental navigation satellite on the first national security mission of its new Vulcan Centaur rocket on Aug. 12. Watch it live here.
NASA's Perseverance Mars rover captured a breathtaking panorama of the Red Planet surface depicted in false-color under a blue sky.
