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.
Ancient sea cow fossil found in decades-old street slab in Spain
October 29, 2016, 2:32 a.m. by Bryan Nelson
Thousands of people have been walking over the fossil for decades without knowing it.