Covering over 10,000 species, study involving Israeli researchers is the most comprehensive of its kind to date; half of all turtles and crocodiles in danger of dying out

Daniel Rothman says carbon in the atmosphere may push our seas past a tipping point, triggering a cascading catastrophe for global ecosystems that we do not yet fully understand

Data science expert Gil David finds that human exploitation of Earth has led to 5,800 years-worth of extinctions from natural causes condensed into just 100 years

Reviewing scientific literature, researchers find at least 400 species that disappeared around the world shortly after humans arrived on the scene

Israel Nature and Parks Authority hopes sightings of subspecies of ecologically important lappet-faced vulture signal its return

Scientists say rising temperatures are reducing the amount of time that polar bears can hunt for food: 'Their habitat is literally melting'

Travel restrictions could frustrate efforts to save northern white rhino; no males and 2 females are left, with scientists racing to save them via in-vitro fertilization

Greenhouse gas emissions are expected to heat the planet's surface by another three or four degrees by 2100

Meanwhile, Iran continues to hold in prison eight researchers of rare Asiatic cheetah on charges of using cameras to spy for Israel, US

Thousand-page report approved by 109 nations concludes over 1 million species of plants and animals facing extinction