After several months of analysis of Comet 67P/Churyumov-Gerasimenko, the European Space Agency's Rosetta spacecraft has yielded some intriguing, and maybe, unexpected results. The data is refueling a long-running debate in the scientific community about a matter closer to home: the origin of Earth's oceans.
There’s a story in every grain of sand: tales of life and death, fire and water. If you scooped up a handful of sand from every beach, you'd have a history of the world sifting through your fingers. From mountain boulders to the shells of tiny ocean creatures, follow the journey that sand takes through thousands of years across entire continents to wind up stuck between your toes.
One of the key fisheries on the West Coast is coming back after years of decline.
Modern explorers have found a previously unknown ocean -- but this one's on Saturn's moon Enceladus. Learn more from Chabot Space & Science Center's Ben Burress at KQED Science.
State Assemblyman Richard Bloom is determined to end the use of orcas for water shows in California, where the whales jump through hoops, for example, or carry trainers on their backs.
A new cap on the number of crab traps could help Bay Area fishermen--and maybe keep fresh crab in your local market a bit longer.
These insidious waves often seem to come out of nowhere and claim lives -- even on calm, sunny days. But how?