Up to 63% of African and Arabian mammal species may have vanished in a previously undetected die-off.
Charles Q. Choi, Contributor
What nature's most complex constructions can tell us about how the brain organizes behaviors.
Haley Weiss, Staff Writer
Examining small molecules that attach to DNA strands can help build a sense of a lobster's age.
Haley Weiss, Staff Writer
How one dead bird turned into an on-the-fly science experiment.
Inside Science Contributor
Experiments on fox squirrels show they know the perfect combination of speed, springiness and "parkour movements" to get their nuts.
Joshua Learn, Contributor
A fossil skull from a bird that lived in the time of dinosaurs sheds light on how the ancestors of modern birds escaped extinction.
Nala Rogers, Staff Writer
When their homes burn, male red-backed fairywrens fail to develop their brilliant plumage.
Joshua Learn, Contributor
The ancient dinosaur ancestor likely ate the newly described species by accident.
Joshua Learn, Contributor
Photographers snapped images of the red-eyed insects emerging after 17 years underground.
Abigail Malate, Staff Illustrator
This month in pictures
Abigail Malate, Staff Illustrator
Honeybees relay the location of the queen through pheromones.
Joel Shurkin, Contributor
New research supports the idea that pulses of nutrients flushed from Devonian forests fueled ocean algae blooms that suffocated marine life.
Nikk Ogasa, Contributor