News
- Life
Giant ants once roamed Wyoming
The first complete fossil found in North America suggests warm spells in the far north allowed big insects to spread.
- Space
Gravity Probe B finally pays off
A half century in the making, an orbiting experiment finally confirms Einstein's general relativity.
- Space
Signs of dark matter from Minnesota mine
An underground experiment in the U.S. bolsters the case that Earth plows through a halo of dark matter particles.
- Health & Medicine
Blame brain cells for lack of focus
Denser tissue in a particular brain region may result in higher distractibility, a new study finds.
