News
- Earth
Lopsided lights
Simultaneous snapshots reveal that northern and southern auroras aren’t always alike.
- Health & Medicine
Chimpanzees die from primate version of HIV
A new study links the simian immunodeficiency virus to serious AIDS-like illness in a wild population.
- Life
Protein plays three cancer-fighting roles
The tumor suppressor protein, p53, has three ways to protect cells from turning cancerous. A new study shows that p53 helps make microRNAs.
- Life
Sleeping ugly
Analysis pinpoints genes that help springtails dehydrate and tough out the winter.
- Space
Jupiter takes it on the chin
Images reveal that an object has recently bashed into Jupiter, 15 years after the first of 21 chunks of Comet Shoemaker-Levy 9 struck the giant planet and created a memorable display of dark spots, waves and plumes.
