Cal Astronomer Says Dying Star Observed in Real Time a Science FirstGround-based telescopes provided the first real-time look at the death throes of a red supergiant star 120 million light-years from earth.
Look Up! Leonid Meteor Shower Peaks Monday NightThe Leonid meteor shower will peak from Monday night into Tuesday morning. If conditions are right, it could be a stellar cosmic show.
NASA JPL Says Tiny Asteroid Expected To Pass Near Earth On Election EveA small asteroid known as 2018VP1 is projected to come close to Earth on Nov. 2, with a less-than-one-percent chance of striking the planet.
How To Catch Comet NEOWISE In The Twilight SkyA lot of people will be going outside to see Comet NEOWISE this weekend, as the rare spectacle makes its first appearance in nearly 7000 years in the twilight sky. Anybody with a camera or a scope can try to snap a photo, but it won’t be easy to find.
Newly Found Comet NEOWISE Over Bay Area Skies Won't Return For 7,000 YearsThere's a rare sight in the skies for the next few weeks. A newly-discovered comet will be visible over the Bay Area, just after sunset, and it won't be back for thousands of years.
Fireworks Canceled? Fourth Of July Lunar Eclipse Is Still HappeningAs cities and counties across the Bay Area are canceling their Fourth of July fireworks displays, the Lunar eclipse scheduled for tonight is still on!
Look Up! The Super Pink Moon Is Playing TonightThere is a celestial double-feature playing in the night sky: a Supermoon and a Pink Moon.
Big, Bright Super 'Snow' Moon Lights Up Bay Area SkyA full snow moon came out in all its 'supermoon' splendor Monday night, much to the delight of Bay Area skywatchers.
Officials Mum on Mystery Closure of Mountaintop Solar ObservatoryThe Sunspot Solar Observatory in the mountains of southern New Mexico has found itself at the center of an earthly mystery. Officials say an undisclosed security concern was behind the decision to abruptly vacate and lock up the remote facility on Sept 6.
Perseid Meteor Shower To Peak Sunday NightThe Perseid meteor shower should be dazzling Bay Area skies Sunday night and Monday morning if weather and wildfires don’t get in the way.
Astronomers Have Found The Fastest-Growing Black Hole Ever Seen, And It's Got A Monster AppetiteAstronomers have found the fastest-growing black hole ever seen in the universe, and they're calling this one a monster with an appetite.
Milky Way Galaxy Core Packed with Thousands of Black HolesThe center of our galaxy is teeming with black holes, sort of like a Times Square for strange super-gravity objects, astronomers have discovered.
Blazing Meteor Fireball, Bright as 100 Moons, Lights Up Arctic SkyA meteor blazed across Arctic Finland Thursday night, brightening the sky and sending scientists on a scramble to locate shards of the reported meteorite.
Scientists Witness Huge Cosmic Crash, Find Origins Of GoldIt was a faint signal, but it told of one of the most violent acts in the universe, and it would soon reveal secrets of the cosmos.
Eve of Eclipse: Millions Converge Across U.S. to See the Sun Go DarkMillions converged on a narrow corridor stretching from Oregon to South Carolina to watch the moon blot out the midday sun on Monday.