6 things to know about Earth's 6th mass extinction
July 11, 2017, 10:18 a.m. by Russell McLendon
At least five similar die-offs have happened before, but this is the first in human history — and the first with human help.
School-age boy saves a species after quest to find an 'extinct' frog
July 10, 2017, 12:38 a.m. by Bryan Nelson
The frog had been feared extinct for at least the last 30 years.
The sun may have an evil twin with a flare for mass extinction
June 14, 2017, 4:33 p.m. by Christian Cotroneo
Scientists call this infrequent visitor Nemesis.
Tasmanian tiger 'sightings' prompt new scientific hunt
March 28, 2017, 4:07 p.m. by Michael d'Estries
Following fresh eyewitness evidence, researchers are placing dozens of camera traps in a remote region of Australia.
Baby dinosaur's tail — with feathers — found in 99 million-year-old amber
December 9, 2016, 2:15 p.m. by Russell McLendon
The discovery offers new insights about dinosaur plumage, hinting at a 'chestnut brown' creature that couldn't fly.