Elephant seals
The Marine Mammal Center in Sausalito, Calif., runs a clinic that rescues sick, injured and orphaned seals, sea lions and other marine mammals.
Hawaiian monk seal hospital
The Marine Mammal Center is building a hospital for Hawaiian monk seals in Kailua-Kona, Hawaii.
Hawaiian monk seal
Hawaiian monk seals are the most endangered species in the pinniped group (containing seals, sea lions and walruses).
Elephant seal release
Workers at The Marine Mammal Center release elephant seals after treatment.
Harbor seal feeding
Workers administer food to a baby harbor seal.
Observation deck
Visitors can view the seals from The Marine Mammal Center's observation deck.
Sea lion rescue
Marine Mammal Center workers rescue a sea lion.
Sea lions
Sea lions go for a dip in a pool at The Marine Mammal Center.
The Marine Mammal Center
"Patients" lounging in the sun at The Marine Mammal Center.
Catquistadors: Oldest known domestic cats in the US died off Florida coast in a 1559 Spanish shipwreck
'Vaccine rejection is as old as vaccines themselves': Science historian Thomas Levenson on the history of germ theory and its deniers
Astronomers discover giant 'bridge' in space that could finally solve a violent galactic mystery
