No Niña: Pacific Returns To Normal After Strong El Niño WinterCalifornians have been bracing for a dry La Niña winter, but instead the forecast is starting to sound more like a line from Goldilocks: Not too hot, not too cold, just right.
Bus-Size Asteroid Gives Earth A Close ShaveAn asteroid the size of a school bus buzzed by Earth Wednesday in an exceptionally close — but safe — flyby. Scientists discovered the object on Monday, just two days before its encounter with Earth.
NASA Launching Mission To Bring Asteroid Sample Back To EarthNASA is preparing for a Thursday night launch of a spacecraft on two-year mission to get a sample from an asteroid and return it to the earth.
Space Volcano Found By NASA Spacecraft In Asteroid BeltA NASA spacecraft has found what appears to be an inactive volcano on the surface of the largest object in the asteroid belt between Mars and Jupiter.
Yearlong Mars Simulation On Slopes Of Hawaii Volcano Nears EndSix scientists are close to wrapping up a year of near-isolation in a Mars simulation on Hawaii's Mauna Loa volcano.
Spacewalking Astronauts Install New Front Door For VisitorsSpacewalking astronauts installed a new front door for visitors at the International Space Station on Friday, the crucial first step in welcoming commercial crew capsules as soon as next year.
August's Perseid Meteor Shower May Be Most Spectacular Light Show In YearsThe mother of all meteor showers is about to go down, and it's going to be amazing.
Elon Musk's SpaceX Launches Space Station Docking Port, Experiments For NASASpaceX successfully launched a critical space station docking port for astronauts early Monday, along with a DNA decoder for high-flying genetic research.
Astronaut Will Test DNA-Decoding Device In SpaceNewly arrived space station astronaut Kate Rubins -- who grew up in Napa -- will attempt to complete the first full-blown DNA decoding, or "sequencing," in orbit.
Juno Sends Back First Image Of Jupiter Surrounded By MoonsJuno, NASA's spacecraft, has sent back the first pictures since arriving at Jupiter.
Astronaut From Napa Begins Four-Month Mission On Space StationThree astronauts, including a native of the Bay Area, boarded the International Space Station on Saturday after a two-day journey aboard a Russian Soyuz space capsule.
NASA Twitter Account Hacked; Posts Racy Pic Of Woman's ButtThe Twitter account belonging to NASA's Kepler spacecraft was hacked on Wednesday, with the feed briefly showing a racy photo before it was taken down.