6,773 results
6,773 results for: Bears
- Space
How the second known interstellar visitor makes ‘Oumuamua seem even odder
With its gaseous halo and tail, the second discovered interstellar object, 2I/Borisov, looks basically like your run-of-the-mill solar system comet.
- Paleontology
Signs of red pigment were spotted in a fossil for the first time
For the first time, scientists have identified the chemical fingerprint of red pigment in a fossil.
- Paleontology
Science News’ favorite fossils of 2019
Fossil discoveries reported this year included Cambrian creatures, ancient bone cancer and a peek at life’s recovery after the dinosaur die-off.
- Life
Caribou migrate farther than any other known land animal
Caribou in Alaska and Canada migrate up to 1,350 kilometers round trip each year, a study reports.
- Climate
How the Arctic’s poor health affects everyday life
A new NOAA report features testimony from indigenous communities in Alaska who are weathering the impacts of Arctic warming.
- Earth
3 questions seismologists are asking after the California earthquakes
After back-to-back quakes, scientists are scrambling to figure out which faults ruptured and what it means for future California quake activity.
- Archaeology
This South African cave stone may bear the world’s oldest drawing
The Stone Age line design could have held special meaning for its makers, a new study finds.
- Earth
Fluid in superdeep diamonds may be from some of Earth’s oldest unchanged material
Primordial rock deep in the mantle and dating to just after Earth’s formation could yield insights about the planet’s formation and evolution
- Humans
Engraved bones reveal that symbolism had ancient roots in East Asia
Denisovans might have etched line patterns on two animal bone fragments more than 100,000 years ago in what’s now northern China.
- Paleontology
This early sauropod went from walking on four legs to two as it grew
A new computer analysis shows how Mussaurus patagonicus' center of gravity changed as the dinosaur grew.
- Paleontology
In a first, a fossilized egg is found preserved inside an ancient bird
Scientists have found the first known fossil of a bird that died with an unlaid egg inside its body. The egg has been crushed by pressure over time.
- Tech
The U.S. power grid desperately needs upgrades to handle climate change
The climate is changing faster than the U.S. power grid is adapting. Smarter grids and smaller grids could help.
