News
- Archaeology
Humans moved into African rainforests at least 150,000 years ago
This oldest known evidence of people living in tropical forests supports an idea that human evolution occurred across Africa.
By Bruce Bower - Planetary Science
Ancient Mars wasn’t just wet. It was cold and wet
Mars may once have held enough water to fill oceans and form coastlines. The planet’s red dust contains water and likely formed in cold conditions.
By Skyler Ware - Life
A skull found in Egypt shows this top predator stalked ancient Africa
Archaeologists uncovered a fossilized skull of an ancient sharp-toothed predator that likely hunted early elephants and primates.
- Animals
How fish biologists discovered birds of paradise have fluorescent feathers
A survey of museum specimens reveals that more than a dozen species of the birds sport biofluorescence in feathers, skin or even inside their throats.
By Susan Milius - Science & Society
Fired federal workers share the crucial jobs no longer being done
Thousands of probationary federal employees received termination notices. Many were doing crucial work at science-related agencies.
By McKenzie Prillaman and Alex Viveros - Science & Society
Why some chaos-seekers just want to watch the world burn
A political scientist explains how a confluence of personality traits and perceived status loss can encourage some people to generate chaos as a solution to their woes.
By Sujata Gupta - Life
The butts of these blowfly larvae mimic termite faces
The young of a mysterious blowfly species look — and smell — like the termites they hide among.
- Humans
Biological sex is not as simple as male or female
A recent Trump executive order defines sex based on gamete size. But the order oversimplifies genetics, hormones and reproductive biology.
- Climate
Even desert cities could pull drinking water from the air
Water harvesting from foggy air provided up to 5 liters of water a day in a yearlong Chilean desert experiment.
- Physics
Squishy materials reveal new physics of static electricity
The charge transferred when identical objects touch depends on their history, scientists find.
- Space
Earth had new, temporary radiation rings last year
Two bands of radiation called the Van Allen belts encircle Earth. After a May 2024 solar superstorm, two more showed up between those belts.
- Physics
A weird ice that may form on alien planets has finally been observed
High-pressure experiments generated the first direct observation of plastic ice, which has qualities of both crystalline ice and liquid water.
By Nikk Ogasa