Retired NASA agent Joseph Gutheinz dismisses UFO claims, noting interstellar travel would take 70,000 years and suggesting military secrecy is behind many UFO sightings.

NASA’s Mars rover has spotted something out of this world — a mysterious, skull-shaped elevation – sitting on a slope where star-gazers say it doesn’t belong.. The mysterious rock ...

The Aspera mission was awarded to Rocket Lab through NASA’s Venture-class Acquisition of Dedicated and Rideshare (VADR) program, a five-year contracting vehicle for placing NASA’s science and ...

NASA’s Curiosity rover appears as a dark speck in this contrast-enhanced view captured on Feb. 28, 2025, by the HiRISE camera aboard NASA’s Mars Reconnaissance Orbiter. ... new study suggests.