Viable Embryos Created With Northern White Rhino Sperm in the Lab
Viable Embryos Created With Northern White Rhino Sperm in the Lab
Researchers froze the fertilized eggs, taken from southern white rhinos, in hopes of preserving the near-extinct northern subspecies.
Viable Embryos Created With Northern White Rhino Sperm in the Lab
Viable Embryos Created With Northern White Rhino Sperm in the Lab

Researchers froze the fertilized eggs, taken from southern white rhinos, in hopes of preserving the near-extinct northern subspecies.

Researchers froze the fertilized eggs, taken from southern white rhinos, in hopes of preserving the near-extinct northern subspecies.

extinction
Identifying Future Victims of Climate Change
Identifying Future Victims of Climate Change
Catherine Offord | Jul 1, 2018
Assessments of species vulnerability provide crucial information for conservation efforts. But the science behind them is still evolving.
Overcoming the Challenges of Studying Endangered AnimalsOvercoming the Challenges of Studying Endangered Animals
Overcoming the Challenges of Studying Endangered Animals
Jim Daley | Jul 1, 2018
From the difficulty of tracking rare populations to the danger of poachers exploiting distribution data, the complications of studying endangered species require creative solutions from researchers.
Infographic: How to Predict If a Species Is At Risk
Infographic: How to Predict If a Species Is At Risk
Catherine Offord | Jul 1, 2018
To calculate the likelihood that organisms will be harmed by climate change, researchers estimate their exposure, sensitivity, and ability to adapt to new conditions.
Many Species of British Mammals at Risk of Extinction
Many Species of British Mammals at Risk of Extinction
Sukanya Charuchandra | Jun 13, 2018
Numbers of the wildcat, greater mouse-eared bat, and black rat have critically fallen in the U.K.  
Life Reemerged Just Years After Dinosaur-Killing Asteroid Impact
Life Reemerged Just Years After Dinosaur-Killing Asteroid Impact
Ashley Yeager | May 30, 2018
Nutrient-rich water helped marine organisms reinhabit Chicxulub crater relatively quickly after the mass-extinction event.
Present-Day Arboreal Birds Have Ground-Dwelling Past
Present-Day Arboreal Birds Have Ground-Dwelling Past
Sukanya Charuchandra | May 24, 2018
A mass extinction event from an asteroid hitting Earth wiped out forests and, concurrently, tree-dwelling birds.  
Newly Described Salamander Species Nearly Extinct
Newly Described Salamander Species Nearly Extinct
Sukanya Charuchandra | May 21, 2018
The Chinese giant salamander is not one but five different species.
Slowing Global Warming Could Save a Majority of Earth’s Species
Slowing Global Warming Could Save a Majority of Earth’s Species
Ashley Yeager | May 17, 2018
Following the ultimate goal of the Paris Agreement would benefit plants and animals around the world, according to a new study.
Endangered Right Whales Have No New Babies This Breeding Season
Endangered Right Whales Have No New Babies This Breeding Season
Ashley Yeager | Mar 27, 2018
Trained spotters haven’t seen any newborns, suggesting trouble for the animal’s overall survival.