A new device separates healthy and diseased cells.
A new study says it's the best explanation for materials found in a meteorite, but not everyone agrees.
A chemistry video explains how those turkey pop-up timers work.
X-ray imaging reveals a motor-like biological protein at work, helping researchers develop antibiotics.
A government website details where $21 billion in funding for R&D was allocated.
The LCROSS mission hits paydirt.
Amorphous-silicon solar cells patterned with nanoscale domes absorb more light--and shed water and dust.
The lakes on Titan have some surprising chemical contents, according to the latest data from the Cassini spacecraft.
A start-up will sell a gadget that uses springs and a magnet to recharge personal electronics.
Two computer programs accurately predict how molecules interact with metals.