Lunar minerals generate the rust mineral hematite when bombarded with high-energy oxygen particles, simulations show.

Daniel W.E. Green at the Central Bureau for Astronomical Telegrams, suggests that comet SWAN will hover near magnitude of +6, ...

Before they head to the moon in 2026, the four Artemis 2 astronauts have to practice observing Earth's nearest neighbor.

The Cartwheel lies about 500 million light-years away in Sculptor. Its wagon-wheel shape formed after a violent collision ...

NASA’s Curiosity rover captured a clear panorama of Mars' Gale Crater in August, during the Martian winter when dust levels tend to be at their lowest. Curiosity’s mission continues to study whether ...

Roughly every 378 days, Saturn swings into opposition, appearing up to 30% brighter and staying visible from dusk until dawn.

Watch the crescent moon, Venus and the bright star Regulus align in a rare predawn close conjunction tomorrow.

Faint hydrogen signals from the cosmic Dark Ages may soon help determine the mass of dark matter particles. Simulations suggest future Moon-based observatories could distinguish between warm and cold ...

The moon is near new phase this week, and clearer skies and cooler overnight temperatures means that this is also an optimum ...

Footage from NASA/ESA Hubble Space Telescope that celebrates 35 years in space. Images of Mars, planetary nebula NGC 2899, Rosette Nebula and galaxy NGC 5335 to celebrate. Credit: NASA's Goddard Space ...

When engineers at a control center in Turin, Italy, sent a faint radio signal into space, they set off a world-first ...

Uranus's moons — what is unique about each moon and why do they orbit at a tilt?