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6,788 results for: Bears
- Planetary Science
Jupiter’s Great Red Spot may be less than 200 years old
An analysis of images spanning hundreds of years suggests a dark spot spied in the late 1600s and early 1700s is distinct from the Red Spot seen today.
- Earth
Before ancient Egyptians, nature sculpted sphinxes. Here’s how
Steady winds can carve landforms called yardangs — thought to have inspired the Great Sphinx of Gaza — from featureless blobs, a new study suggests.
By Elise Cutts - Space
NASA’s first look at a sample from asteroid Bennu reveals life’s building blocks
Scientists have begun to analyze roughly 250 grams of Bennu, which could offer insight into solar system formation and life’s origins on Earth.
- Animals
Here’s how polar bears might get traction on snow
Microstructures on the Arctic animals’ paws might offer extra friction that keeps them from slipping on snow, a new study reports.
By Meghan Rosen - Animals
At the foot of a melting glacier in Peru, llamas helped revitalize the land
A partnership between scientists and farmers suggests how llama herding can mitigate some of the impacts of climate change.
- Space
The James Webb telescope may have spotted stars powered by dark matter
Three objects in the distant universe bear signs of hypothesized “dark stars,” researchers claim, though others say more definitive data are needed.
By Skyler Ware - Space
In 2023, space missions explored the moon, asteroids and more
This year, spacecraft landed on the moon, dropped off asteroid samples to Earth and started a journey to Jupiter's icy moons.
By Erin Wayman -
The animal kingdom never ceases to amaze
Editor in chief Nancy Shute revels in the wonder of animals, from psychedelic toads to extinct pterosaurs.
By Nancy Shute - Archaeology
A puzzling mix of artifacts raises questions about Homo sapiens' travels to China
A reexamined Chinese site points to a cultural mix of Homo sapiens with Neandertals or Denisovans.
By Bruce Bower - Life
These scientific discoveries set new records in 2023
This year’s record-breaking findings shed new light on human history and the most amazing feats in the animal kingdom.
- Earth
Here are some big-if-true scientific claims that made headlines in 2023
Hominid cannibalism, “dark stars,” the secrets of Earth’s core and more tantalizing findings will require more evidence before scientists can confirm them as fact.
- Plants
Berkley Walker wants to revamp photosynthesis for a changing climate
Finding ways to make plants work better could help feed a growing population, especially as the planet warms.
By Aaron Brooks