Earth’s ancient ‘greenhouse’ conditions were hotter than thought
Over the last 485 million years, Earth has been both a lot colder and a lot hotter than once thought. […]
Some bacteria in your mouth can divide into as many as 14 cells at once
Among the more than 500 species of bacteria that thrive in the human mouth, one seems to play by its
In an epic cosmology clash, rival scientists begin to find common ground
The biggest clash in cosmology might be inching closer to resolution, thanks to the James Webb Space Telescope. Scientists disagree
A nuclear clock prototype hints at ultraprecise timekeeping
Scientific clockmakers have crafted a prototype of a nuclear clock, hinting at future possibilities for using atomic nuclei to perform
A cell biologist is investigating the balance of brain flexibility, stability
One of the most remarkable things about the human brain is that it changes. A lot. This ability to reinvent
HIV and illicit drugs are a bad mix. This scientist found an unexpected reason why
It was as a Ph.D. student that Dionna Williams realized the fundamental flaws in how medical science treats people who
A vital ocean current is stable, for now
The ocean’s circulatory system may not be doing as poorly as previously thought. A vital ocean artery known as the
A neutrino mass mismatch could shake cosmology’s foundations
As the youthful universe congealed under the pull of gravity, matter knotted itself into galaxies, galaxy clusters and filaments, weaving
A study in mice hints at a new way to treat spinal cord injuries
After a devastating spinal cord injury, mice’s nerve cells balloon up in size. Some of these neurons stay swollen longer
How did dark matter shape the universe? This physicist has ideas
At age 12, Tracy Slatyer felt sorry for a book. She read a newspaper article about how lots of people