6,878 results
6,878 results for: Bears
- Paleontology
How massive long-necked dinosaurs rose to rule the Jurassic herbivores
New dinosaur fossil dates to same time as a volcanic surge, suggesting ensuing changes in plant life allowed these long-necked giants to emerge.
- Climate
‘The New Climate War’ exposes tactics of climate change ‘inactivists’
In his new book, climate scientist Michael Mann draws the battle lines for a new phase of the struggle against climate change denialism.
- Paleontology
The dinosaur-killing asteroid impact radically altered Earth’s tropical forests
The asteroid impact fundamentally reset the nature of Earth’s tropical rainforests, decreasing diversity at first and making them permanently darker.
- Astronomy
When James Webb launches, it will have a bigger to-do list than 1980s researchers suspected
The James Webb Space Telescope has been in development for so long that space science has changed in the meantime.
- Life
Meatier meals and more playtime might reduce cats’ toll on wildlife
Outdoor cats kill billions of birds and mammals each year. Simply satisfying their need to hunt or supplementing their diets could lessen that impact.
- Life
A newfound feathered dinosaur sported fuzz and weird rods on its shoulders
A Brazilian dinosaur with stiffened pairs of ribbonlike feathers emerging from the shoulders is unlike any found before.
- Life
Only 3 percent of Earth’s land hasn’t been marred by humans
A sweeping survey of terrestrial ecosystems finds that vanishingly little land houses all the animals it used to. Species reintroductions could help.
- Space
The asteroid Bennu’s brittle boulders may make grabbing a sample easier
NASA’s OSIRIS-REx spacecraft is about to collect a bit of asteroid Bennu. Here’s why it’s good that new research suggests its boulders are brittle.
- Earth
How the Earth-shaking theory of plate tectonics was born
Plate tectonics explains many of Earth’s geologic wonders and natural hazards — and may hold clues to the evolution of life.
- Climate
These women endured a winter in the high Arctic for citizen science
Two women have spent the winter on the Norwegian archipelago of Svalbard to collect data for climate scientists around the world.
- Earth
Death Valley hits 130° F, the hottest recorded temperature on Earth since 1931
Amid a heat wave in the western United States, California’s Death Valley is back in the record books with the third hottest temperature ever recorded.
- Science & Society
Gender-affirming care improves mental health for transgender youth
Several state legislatures have taken steps to restrict access to gender-affirming health care for transgender adolescents. That goes against medical guidelines.
