On Dec. 12, 1967, NASA launched the Pioneer 8 spacecraft on a mission to study the sun. [‘On This Day in Space’ Video Series ...

For the next few decades, a tiny asteroid will move quietly through space alongside Earth. This space rock, called 2025 PN7, ...

For the next half-century, Earth will have a new celestial companion. A small asteroid, officially designated 2025 PN7, has been confirmed as a quasi-satellite—a rare type of near-Earth object that ...

Instead, it was orbiting parallel to Earth, following the same orbit around the Sun. That makes it a “quasi-moon,” a sort of space companion that plots out its course in sync with Earth but is not ...

NASA announced its latest class of astronauts, which includes Anna Menon. Menon is the first NASA astronaut to have orbited Earth before being selected. She previously flew on the private Polaris Dawn ...

NASA's MAVEN spacecraft, led by scientists at the University of Colorado Boulder, has lost communication with ground stations ...

NASA has lost contact with one its three spacecraft orbiting Mars, the agency announced Tuesday. Meanwhile, a second Mars ...

Interstellar Comet 3I/ATLAS will reach perihelion, its closest approach to the Sun, on October 30, 2025, marking the climax of its brief, hyperbolic trajectory through our solar system before its ...

An exponential increase in the number of satellites placed in low-Earth orbit has brought advances in telecommunications ...