News
- Space
A cometary blizzard
NASA's EPOXI mission encountered a snowstorm when it zipped by Comet Hartley 2.
- Space
It came from another galaxy
Extrasolar planet traces its origin outside the Milky Way to an ancient neighboring galaxy.
- Physics
Antimatter, here to stay
Physicists trap antihydrogen for long enough to study the elusive material.
- Health & Medicine
New drug bumps up good cholesterol
Anacetrapib raises beneficial HDL while lowering harmful LDL, a medical trial finds, suggesting it may be a powerful new weapon against cardiovascular disease.
- Life
Genes jump more in one type of autism
A mutation that causes Rett syndrome also increases the activity of retrotransposons in the brain.
