News
- Planetary Science
New angles on Mercury
The NASA MESSENGER spacecraft completed its second flyby of Mercury, yielding crisp new images of a large swath of the planet not seen before.
- Earth
World’s largest tsunami debris
Seven immense coral boulders — one of them a three-story-tall, 1,200-metric-ton monster — have been found far inland on a Tongan island and may be the world's largest tsunami debris.
- Physics
Nobel Prize in physics shared for work that unifies forces of nature
Understanding of broken symmetry has been crucial to the standard model of particle physics.
- Life
Tough times for mammals
Between a fifth and a third of the world’s mammal species face the threat of extinction.
