6,903 results
6,903 results for: Bears
- Ecosystems
A freshwater, saltwater tug-of-war is eating away at the Everglades
Saltwater is winning in the Everglades as sea levels rise and years of redirecting freshwater flow to support agriculture and population growth
- Paleontology
How birds may have escaped the dino-killing asteroid impact
A tree-loving lifestyle became a risk for ancient birds in a world-changing catastrophe.
- Life
There’s a genetic explanation for why warmer nests turn turtles female
Scientists have found a temperature-responsive gene that controls young turtles’ sex fate.
- Planetary Science
Getting NASA’s Pluto mission off the ground took blood, sweat and years
Alan Stern talks about the new book ‘Chasing New Horizons’ and what’s next for the spacecraft that got close to Pluto.
- Paleontology
Colorful moth wings date back to the dinosaur era
Microscopic structures that scatter light to give color to the wings of modern butterflies and moths date back almost 200 million years.
- Animals
These seals haven’t lost their land ancestors’ hunting ways
Clawed pawlike forelimbs help true seals hunt like their land-dwelling ancestors.
- Anthropology
Ardi walked the walk 4.4 million years ago
Ancient hominid evolved upright stance without sacrificing climbing ability.
- Planetary Science
Cosmic dust may create Mars’ wispy clouds
Magnesium left by passing comets seeds the clouds of Mars, a new study suggests.
- Anthropology
Museum mummies sport world’s oldest tattoo drawings
A wild bull and symbolic designs were imprinted on the bodies of two Egyptians at least 5,000 years ago.
- Animals
A new species of tardigrade lays eggs covered with doodads and streamers
These elegant eggs hint that a tardigrade found in a Japanese parking lot is a new species.
- Anthropology
Ancient climate shifts may have sparked human ingenuity and networking
Stone tools signal rise of social networking by 320,000 years ago in East Africa, researchers argue.
- Planetary Science
5 things we’ve learned about Saturn since Cassini died
The Cassini spacecraft plunged to its death into Saturn six months ago, but the discoveries keep coming.
