News
- Space
Sizing up black holes
ST. LOUIS—Astronomers are all wound up over a new method for sizing up supermassive black holes found at the cores of galaxies. The method allows researchers for the first time to estimate the weight of these black holes in spiral galaxies up to 8 billion light-years away, or halfway across the universe, reports Marc Seigar […]
- Space
Outsiders look in
Astronomers stitch together the most detailed infrared picture of the inner Milky Way.
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- Earth
A rapid rise for the Andes
New evidence suggests that the South American mountain chain shot up 2.5 kilometers in a geological blink of an eye.
- Health & Medicine
Tame-walk potion
A one-two sting and a cockroach lets a wasp lead it like a dog on a leash.
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- Space
Dispatch from Mars, Sol 9
The Phoenix Lander's robotic arm scoops its first experimental sample, and scientists prepare to start their scientific studies on the Martian soil.
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- Health & Medicine
Brain trauma
Cooling the body temperature of a child who has severe brain injury doesn’t seem to help recovery, but the jury is still out.
- Space
Potential future fireworks
Already bright enough to be seen with the naked eye, the star epsilon Aurigae may be trembling at the brink of a powerful outburst.
- Chemistry
Life before proteins
Spheres of fat suggest a way that life on Earth could have gotten started.
- Earth
Slip, Slide, Shake
Analyses of GPS and seismic data about one of Antarctica’s largest and most dynamic glaciers provide new insights into the ice stream’s lurching march to the sea.
