All Stories
- Space
High-Energy Discovery
Scientists have traced the most energetic particles in the universe to their source: giant black holes.
- Earth
The Rise of Yellowstone
New evidence points to a recent, rapid rise of land in parts of Yellowstone National Park.
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On the Trail of America’s Next Top Scientists
Students get their hands wet, cold, and dirty at the 2007 Discovery Channel Young Scientist Challenge.
- Animals
Return of the Lost Limbs
Scientists are closer to learning how some animals regrow missing limbs.
- Animals
Gliders in the family
Two rare gliding mammals may be the closest living relatives of modern primates.
- Plants
Seeds of the Future
Around the world, scientists are putting seeds to sleep for up to thousands of years.
- Fossils
Digging Dinos
Scientists have discovered a new dinosaur species that spent time underground.
- Space
Monster Black Holes
Scientists have discovered black holes that are far more massive than they had thought possible.
- Environment
Fear Matters
Halloween can scare kids and make them act strange. But animals and ecosystems respond to fear every day of the year.
- Physics
Explainer: How a synchrotron works
Giant magnets direct superfast light into beams up to 30 million times as bright as those produced by a laser pointer.
- Tech
Big Machine Reveals Small Worlds
A football-field-sized machine is giving researchers insight into medicine, forensics, and even chocolate.
- Humans
Ancient cave behavior
In a South African cave, scientists have found the oldest evidence of people acting like modern humans.
