First neutrinos from outer space

First neutrinos from outer space
Neutrinos are almost invisible, but a 1-kilometer cube of ice has found 28 from beyond the solar system. Some are from other galaxies. More »

3-D printing: Wave of the future

3-D printing: Wave of the future

Layer by layer, 3-D printers fuse tiny particles of plastic or metal, building complex parts from computer instructions — forget hold More »

Comet explores sun!

Comet explores sun!

In 2011, a suicidal comet brushed the sun — showing a swirling magnetic field, the source of dangerous “space weather.” What did we More »

Galactic rays

Galactic rays

Scientists have tracked a light beam that’s half-a-million light years long to a monster black hole and found that the hole and its More »

Chasing neutrinos at the South Pole

Chasing neutrinos at the South Pole

Neutrinos are odd: Extremely difficult to see, they travel through mass with scarcely a trace. A 1-billion ton detector in South Pole More »

Spider silk: Material of the future?

Spider silk: Material of the future?
Strong, tough, sticky, elastic and biodegradable, silk may be used for a mesh to support injured tissues, or as a temporary container More »

Nanotech

Nanotech

Adding nanotubes makes a stronger plastic, but adding several nano-structures greatly increases the benefit, according to a new study More »

Big ideas from the smallest world

New snowflake generator reveals nature’s design principles; anti-reflective coating is nearly perfect, and so is mother-of-pearl inside More »

Gamma Ray Bursts

Chandra links gamma-ray bursts to supernovas. What really causes these gigantic explosions? More »