News
- Planetary Science
Venus’ tectonics may be actively reshaping its surface
Circular landforms speckling the Venusian surface may be the work of tectonic activity.
- Anthropology
Males of this ancient human cousin weren’t always bigger than females
Molecular evidence from a 2-million-year-old southern African hominid species indicates sex and genetic differences in P. robustus.
- Science & Society
Students’ mental health imperiled by $1 billion cuts to school funding
The Trump administration is cutting $1 billion in grants that support student mental health. That has educators worried.
- Animals
Genetics might save the rare, elusive saola — if it’s not already extinct
A new genetic study could help saolas survive by enabling better searches through environmental DNA. But some experts fear they may be extinct already.
- Space
A passing star could fling Earth out of orbit
Simulations show that the star's tug could send Mercury, Venus or Mars crashing into Earth — or let Jupiter eject our world from the solar system.
- Health & Medicine
Personalized gene editing saved a baby, but the tech’s future is uncertain
The personalized CRISPR treatment could be the future of gene therapy, but hurdles remain before everyone has access.
- Neuroscience
‘Silent’ cells play a surprising role in how brains work
New studies show that astrocytes, long thought to be support cells in the brain, are crucial intermediaries for relaying messages to neurons.
- Animals
Bedbugs may have been one of the first urban pests
Common bedbugs experienced a dramatic jump in population size about 13,000 years ago, around the time humans congregated in the first cities.
- Anthropology
Humans used whale bones to make tools 20,000 years ago
Ancient scavengers of the beached beasts turned their bones into implements that spread across a large area, researchers say.
- Life
The first cicada concert was 47 million years ago
A 47-million-year-old cicada fossil from Germany’s Messel Pit could teach us about the evolution of insect communication.
- Health & Medicine
Wet fingers always wrinkle in the same way
Pruney fingertips aren't swollen sponges — the wrinkles actually come from blood vessels constricting and pulling skin inward.
- Paleontology
Sloths once came in a dizzying array of sizes. Here’s why
A new fossil and DNA analysis traces how dozens of sloth species responded to climate shifts and humans. Just two small tree-dwelling sloths remain today.
