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

The sixth planet reaches its annual opposition this weekend when Earth gets between it and the sun. It make Saturn the ...

Astrophotography used to be out of reach for smartphone owners, but if you have a newer iPhone, you might just be able to ...

Kevin France, a professor of astrophysics at the University of Colorado Boulder, discusses the Habitable Worlds Observatory, ...

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

Every 378 days, Saturn swings into opposition, bringing it closer, brighter, and nearly 10 times easier to observe than at ...

NASA says its Hubble Space Telescope has detected a white dwarf star that consumed fragments of a Pluto-like object. Space ...

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

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

Watch the Sept. 21 partial solar eclipse live online with this handy livestream. Coverage begins at 2 p.m. EDT (1800 GMT).

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

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 ...