An unidentified substance has killed or injured hundreds of birds so far.
Most animals are either cold-blooded or warm-blooded. But once upon a time, the Earth's dominant animals may have been a bit of both.
The Calaveras Dam Replacement Project has brought ancient fossils to light.
Though there are no wild wolves in California, state officials, expecting them to get here eventually, voted to protect them.
Comb jellies are these beautiful, otherworldly creatures that sparkle gently in the sea. And now, if a study in the journal Science and another one in the journal Nature hold up, they may not be so gentle on evolution or the tree of life. These “aliens of the sea” are fundamentally changing how we think about both.
Deforestation and increased interactions between humans and wildlife are implicated in the spread of the Nipah virus. ...Read More
San Francisco's California Academy of Sciences opens a skull exhibit this week, featuring the work of Ray Bandar, a man who has devoted 60 years to cleaning the skulls and bones of some of California's most beloved animals.
The beginning of May is a wonderful time to go bird watching in the Bay Area, with lingering winter birds, neotropical migrants and local species all in the same region for a brief time.
Neanderthals may be extinct but at least 20-40% of their DNA lives on in modern Europeans and Asians because of interbreeding. Neanderthal DNA survives because it gave useful traits to the ancestors of Europeans and Asians.
A citizen science group is asking hikers to use their smartphones help study how Mt. Diablo State Park is recovering from last year's Morgan Fire.
Scientists were able to engineer a version of the bird flu that can spread between mammals, the first step towards turning this virus into a pandemic. This research is controversial as it has created something that is potentially dangerous.
Researchers are working to revive the passenger pigeon, once the most abundant bird in the world, and the woolly mammoth, which they say could slow down the melting of Arctic permafrost. It may be possible, but is it right to turn back the clock?
A group of biologists asks their peers to start documenting newly discovered and "rediscovered" species by non-destructive techniques instead of killing a specimen to bring home.
Low battery life, bulky appearance and lack of integration are some of the obstacles in the way before health trackers become the next gadgets we can’t live without.
The Monterey Bay Aquarium's new exhibit will be the world’s largest, most diverse display of octopuses, squid and cuttlefish. To pull it off, aquarists are coaxing reproduction from the most reluctant critters.