News
- Astronomy
The sun’s outer atmosphere is far more complex than previously thought
The outer corona of the sun was thought to be smooth and uniform. New observations show it’s anything but.
- Animals
Specialized protein helps these ground squirrels resist the cold
A less active cold-sensing protein explains, in part, why some hibernating ground squirrels are more tolerant of chilly conditions than the animals’ nonhibernating kin.
- Physics
A new kind of spiral wave embraces disorder
Newly discovered spiral wave chimera is disordered in its center.
- Astronomy
Our first interstellar visitor may be a camouflaged comet
Originally thought to be a rocky asteroid, an interstellar traveler may have a comet’s icy heart.
