Perihelion for 3I/ATLAS takes place on Oct. 30, when the interstellar interloper will be 1.35 astronomical units (125 million ...

Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...

Masursky, Harold, Colton, G. W., and El-Baz, Farouk. 1978. Apollo Over the Moon: A View from Orbit, NASA SP-362. Washington, D.C: NASA Scientific and Technical ...

A new listing of the 50 most concerning pieces of space debris in low-Earth orbit is dominated by relics more than a quarter-century old, primarily dead rockets left to hurtle through space at the end ...

September 10, 2025, Mountain View, CA -- NASA’s Perseverance Rover spent three years exploring the floor of Jezero Crater, located just north of the Martian equator. This close-up look at what had ...

A breathtaking image of Mount Everest, as seen from the International Space Station, has gone viral online after Nasa astronaut Don Pettit shared his view of the Himalayan giant and much of Nepal from ...