The dolphin-like marine mammals returned to San Francisco Bay in 2008 after a decades-long absence from the area. Scientists took the rare opportunity to closely observe their behavior, and what they uncovered might help at-risk porpoise populations
How the Boogie Board Became One of Summer’s Most Popular Toys
Fifty-five years ago, surfer Tom Morey cut a piece of polyethylene foam with a carving knife and created a wave-riding board with a low barrier of entry
A raptor center in California had been caring for the animal since mid-July, after she had an altercation with two young eagles. But she had probably been sick long before then
Researchers studied saber-toothed cat vertebrae found in the La Brea Tar Pits in Los Angeles. They identified a surprisingly high number of deformations, including signs of spinal nerve tumors, hinting at a dwindling population suffering the consequences of inbreeding
Five acres of green space will surround the 17-structure landmark, a folk art masterpiece that an Italian immigrant built over the course of three decades
Jane Stanford’s legacy is the focus of a new showcase at the California university. The display features artifacts that have never previously been exhibited
Double Puggles: See the Adorable ‘Twin’ Echidnas Born at the San Diego Zoo Safari Park
The two babies hatched this year to one mother during the same breeding season—an extremely rare occurrence, according to the San Diego Zoo Wildlife Alliance
The works were stolen from the University of California, Los Angeles, over the course of several years
This November, visitors to the new Samuel Oschin Air and Space Center in Los Angeles will get to see the “ready-to-launch” “Endeavour” complete with rocket boosters and a fuel tank
These 17 Stunning Photos of the Strawberry Moon Show Earth’s Natural Satellite in All Its Glory
The first full moon of the summer delivered dazzling visuals from across the globe. Its low position in the sky from the perspective of the Northern Hemisphere gave it a golden hue
Revelers typically mark Independence Day with a barbecue and fireworks show, but these festivities across the country offer quirky alternatives
The recently launched system involves two thermal cameras that can detect gray whales up to four miles away, giving ships enough time to slow down or change course—and avoid running into the marine mammals
Who Were the Couples That Posed for David Hockney’s Famed Double Portraits?
One of his subjects was a cousin I never knew. I wanted to learn more about the large-scale portraits that helped define the English artist’s legacy
Mule Deer Are Already Using California’s First Wildlife Crossing—and It’s Not Even Finished Yet
Construction on the $20 million bridge in Siskiyou County began last year and is expected to be complete by this fall, with miles of eight-foot-high fencing along the highway to help funnel animals toward it
Half a century after “Close Encounters of the Third Kind,” the director returns to the subject of UFOs with “Disclosure Day.” His science fiction films are informed by his fascination with alien encounters in American suburbia
From a Revolutionary War battlefield to a civil rights-era safe haven, these historic sites are at risk, according to the latest list from the National Trust for Historic Preservation
The strange creatures are washing up on shores across California, Oregon and Washington this spring—and making the coast smell especially fishy
The Socorro dove has not been recorded in the wild since 1972, but that could change within only a few years, conservationists say, thanks to a long-term reintroduction effort
Smithsonian Photo Contest Galleries
The park’s picturesque peaks, wonderful waterfalls and towering trees aren’t just photo opportunities; they’re visual poetry. And they’re just some of the reasons to love Yosemite
The discovery provides another key data point about a little-known species for which every observation matters
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