News
- Astronomy
Weighing In on a Star: A stellar size limit
A new study suggests that no star in our galaxy can weigh more than 150 times the mass of the sun.
- Planetary Science
Slowpoke: Atmosphere put brakes on meteorite that formed famed crater
The extraterrestrial object that gouged out Arizona's Meteor Crater about 50,000 years ago struck at a speed much slower than most scientists had previously proposed.
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Monkey See, Monkey Think: Grape thefts instigate debate on primate’s mind
Rhesus monkeys treat a competitor's averted eyes as a license to steal his or her food.
- Health & Medicine
Blindness Hazard: Gene variant tied to macular degeneration
People who make a particular form of an immune system protein have a heightened risk of developing old-age blindness.
