Sky This Week is brought to you in part by Celestron. Friday, October 31This Halloween, peer into the Ghost's Goblet, a young ...

Study discovered that Chiron, a small icy world between Saturn and Uranus, is forming rings. This shows how small worlds ...

“Full beaver supermoon” is not a combination of words that one encounters often, but this month brings the second of three ...

Theoretical physicist Alex Lupsasca is pushing for a space telescope to glimpse the thin ring of light that is thought to surround every black hole.

Using NASA's planet-hunting spacecraft TESS (Transiting Exoplanet Survey Satellite), astronomers have discovered three ...

Fresh ice from Enceladus holds never-before-seen organic compounds, captured by NASA’s Cassini, offering new clues in the ...

A newly discovered comet is about to make its closest pass to Earth on Tuesday night. It should be visible over the Bay Area ...

The discovery that molecules of methane and ethane can worm their way into the crystal lattice of frozen hydrogen cyanide has ...

Scientists reexamining data from NASA’s Cassini spacecraft have uncovered exciting new evidence from Saturn’s icy moon Enceladus. The spacecraft detected complex organic molecules being blasted into ...

The universe is truly magical: vast, mysterious, and endlessly fascinating. There’s something almost unreal about being able ...

NASA's Voyager 2 spacecraft captured dark streaks produced by geysers visible on the icy surface of Triton's south polar ...