2,325 results
- Astronomy
The oldest disk galaxy yet found formed more than 12 billion years ago
A spinning disk galaxy similar to the Milky Way formed just 1.5 billion years after the Big Bang, much earlier than astronomers thought was possible.
- Psychology
Perspective-changing experiences, good or bad, can lead to richer lives
Happiness or meaning have long been seen as keys to the “good life.” Psychologists have now defined a third good life for people leading rich psychological lives.
- Life
Wolves regurgitate blueberries for their pups to eat
The behavior, documented for the first time, suggests that fruit may be more important to wolves than previously thought.
- Space
Two new books explore Mars — and what it means to be human
‘Once Upon a Time I Lived on Mars’ and ‘The Sirens of Mars’ are surprisingly apt reads during the pandemic.
- Paleontology
Fossils of a new dromaeosaur date to the end of the Age of Dinosaurs
Fossils from a new dromaeosaur recovered from New Mexico suggest these fierce predators were diversifying up to the end of the Age of Dinosaurs.
- Animals
Spider webs don’t rot easily and scientists may have figured out why
Spider silk doesn’t rot quickly because bacteria can’t access its nitrogen, a nutrient needed for the microbes’ growth, scientists say.
- Genetics
DNA from extinct red wolves lives on in some mysterious Texas coyotes
Mystery canids on Texas’ Galveston Island carry red wolf DNA, thought to be extinct in the wild for 40 years.
- Animals
Dancing peacock spiders turned an arachnophobe into an arachnologist
Just 22, Joseph Schubert has described 12 of 86 peacock spider species. One with a blue and yellow abdomen is named after Van Gogh’s Starry Night.
- Life
Remarkable fossils capture mammals’ recovery after the dino-killing asteroid
A fossil-rich site in Colorado is revealing how mammals rebounded and flourished after an asteroid strike 66 million years ago.
- 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.
- Animals
Pandas’ share of protein calories from bamboo rivals wolves’ from meat
The panda gut digests protein in bamboo so well that the animal’s nutritional profile for calories resembles a wolf’s.
- Ecosystems
Beavers are engineering a new Alaskan tundra
Climate change has enabled the recent expansion of beavers into northwestern Alaska, a trend that could have major ecological consequences for the region in the coming decades.
