Ancient Babylonians Used Calculus To Track JupiterIf Galileo was the so-called father of astronomy, then the ancient Babylonians were the great, great-grandfathers.
Best Places Near San Francisco To Watch The Geminid Meteor ShowerFive recommended places in and around San Francisco to watch the Geminid meteor shower...
'Great Pumpkin' Asteroid Hurtling Past Earth On HalloweenAn asteroid the size of the Empire State Building is preparing to zip past Earth on Halloween giving scientists at NASA something besides candy to gorge on.
Some Mormons Fear Sunday Night's Super 'Blood Moon' Eclipse Portends End Of DaysA rare lunar eclipse set to happen Sunday night has prompted the Mormon church to issue a statement to followers warning them not to worry about apocalyptic speculation that is running high.
Perseid Meteor Shower To Peak Wednesday, 60 Shooting Stars Per Hour PredictedPeople looking for a shooting star to wish upon may find Wednesday overnight to be a dream come true.
Best Places To Go Star And Moon Gazing Near East BayA look at five of the best places near the East Bay for star and moon gazing, including the first permanently occupied mountaintop observatory in the world
Summer Solstice, Father's Day 2015 Align To Give Dads Sunniest Day Of YearDads, get ready for almost 15 hours of sunlight on the longest day of the year this Sunday.
Halley's Comet 'Eta Aquarids' Meteor Shower Peaks Overnight, Best Viewing Wednesday Morning Before DawnHalley's Comet may be on the other side of the solar system, but debris from its trail hit Earth every May as the planet passes through its orbit, and the best viewing of the "Eta Aquarid" meteor shower will be just before dawn on Wednesday May 6th, 2015.
Lick Observatory Astronomers Discover ‘Supersized Earths’ Surrounding Relatively Nearby StarAstronomers at the Lick Observatory atop Mount Hamilton have discovered three planets described as “supersized Earths” orbiting a star 54 light years away.
25 Mind-Bending Images From Hubble Space Telescope's 25-Year MissionHubble, the world's first space telescope, was launched April 24, 1990 aboard the space shuttle Discovery. Here are 25 of our favorite images from Hubble's amazing -- and continuing -- quarter-century mission.
Early-Morning 'Blood Moon' Eclipse Proves Short But SweetThe total eclipse of the moon lasted only a short time, but it still dazzled.
Black Supermoon: What (Not) To Look For Wednesday NightA supermoon is ready to take center stage in the night sky this Wednesday, but with a rare twist: it'll be a new moon.