News
- Life
A parasite makes wolves more likely to become pack leaders
In Yellowstone National Park, gray wolves infected with Toxoplasma gondii make riskier decisions, making them more likely to split off from the pack.
By Jake Buehler - Animals
A natural gene drive could steer invasive rodents on islands to extinction
A few genetic tweaks to a readily passed-on chunk of DNA could sterilize a mouse population, eliminating them in as little as 25 years.
- Anthropology
Homo naledi may have lit fires in underground caves at least 236,000 years ago
Homo naledi may have joined the group of ancient hominids who built controlled fires, presumably for light or warmth, new finds hint.
By Bruce Bower - Astronomy
A new supercomputer simulation animates the evolution of the universe
The detailed simulation shows the cosmos changing from a dark, featureless gas to a web of stars and galaxies radiating light.
- Paleontology
Why the sale of a T. rex fossil could be a big loss for science
At least half of the roughly 120 known T. rex fossils are owned privately and not available to the public. “Maximus” may join them.
- Paleontology
This dinosaur may have had a body like a duck’s
Natovenator polydontus may have been adapted for life in the water, challenging the popular idea that all dinos were landlubbers.
By Nikk Ogasa - Earth
Hawaii’s Mauna Loa volcano is erupting. Here’s what you need to know
A geophysicist with the U.S. Geological Survey answers questions about the recent eruption of the world's largest active volcano.
- Paleontology
Mammoths may have gone extinct much earlier than DNA suggests
Ancient DNA in sediments may be leading paleontologists astray in attempts to figure out when woolly mammoths and woolly rhinos died out, a new study argues.
By Bas den Hond - Physics
Physicists explain how to execute a nearly splashless dive
A pocket of air lets elite divers pull off the rip entry, breaking through the water without sending it flying.
- Animals
Dry pet food may be more environmentally friendly than wet food
The environmental cost of wet pet food is higher than dry food, scientists say. That may be because wet food gets most of its calories from animals.
By Meghan Rosen - Health & Medicine
How researchers are working to fill the gaps in long COVID data
Collaboration with patients and with researchers from many specialties is key to better understanding long COVID and managing its many symptoms.
- Astronomy
Here’s why some supermassive black holes blaze so brightly
NASA’s IPXE X-ray satellite saw a telltale signature of shock waves propagating along a blazar’s high-speed jet, causing it to emit high-energy light.