A Female Stingray That Hasn't Had a Mate in Eight Years Is Mysteriously Pregnant. Is a Shark the Father?
Though the round stingray, named Charlotte, shares her aquarium tank with two male sharks, experts say it is impossible for a shark to impregnate a ray
One species was found brooding eggs near low-temperature hydrothermal vents, a rare sight that could unlock new information on deep-sea cephalopods
The Tampa community raised money to fund an investigation, and now, a local scientist will install underwater microphones to look for the source of the racket
Only two northern white rhinos remain, but the new reproductive breakthrough may pull them back from the brink of erasure
Eight-month-old Gaia is part of a breeding program for her vulnerable species, which is considered the "world's deadliest cat"
A hormone produced by the fetus may induce nausea and vomiting during pregnancy, a new study finds
The extremely valuable fish likely spawn in a patch of the Atlantic Ocean called the Slope Sea
Serotine bats are the first mammals known to mate without penetration, new research suggests
Until now, menopause had not been documented in wild, non-human animals, except for a few species of toothed whales
Staff remain hopeful that members of the threatened species will be back in Washington in the near future
Some 20,000 octopuses congregate near an inactive underwater volcano off California's coast, using heat from thermal springs to hatch their eggs faster
The birds were driven to local extinction in the 18th century, but the new chicks provide hope for a comeback amid reintroduction efforts
Residents of Pinecrest don't want to kill the colorful birds, but they do want to keep their growing population in check
The gynecologist and sculptor’s “Birth Series” broke barriers, but how do his views on abortion, race and women’s health square with what we know today?
Birds in Europe are prying up the metal barbs, meant to repel them from roosting on buildings, and using the devices as nesting material
Experts say the decision will increase access to safe and effective contraceptives for millions of Americans
The team captured footage of the eight-armed creatures brooding their eggs in groups near Costa Rica
Once considered a relic of moral panics past, the 1873 law criminalized sending "obscene, lewd or lascivious" materials through the mail
The one-time injection of a gene therapy could eventually be used to control cat populations
A female American crocodile living in captivity reproduced without a mate—a finding that suggests dinosaurs might have done the same thing
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