News
- Space
Cosmic acceleration discovery wins physics Nobel
Three astrophysicists are honored for revealing the universe's accelerating expansion.
- Space
Antennas reveal Antennae
A giant radio telescope array in Chile’s Atacama Desert produces its first images.
- Earth
Arctic ozone loss in 2011 unprecedented
Report describes a ‘hole’ comparable to conditions observed over Antarctica during the mid-1980s.
- Life
2011 medicine Nobel goes to immunology researchers
The prize in physiology or medicine recognizes scientists for their work on the body's innate and adaptive defenses against invading pathogens.
- Space
Longer cosmic ruler based on black holes
A new method promises to improve the precision of extreme astronomical distance measurements.
