New research suggests the birds must sense Earth's magnetic field using some other part of their anatomy.
James Gaines, Contributor
Physicists say a universal theory that describes everything from light reflecting in tea cups to black holes can explain why apples have a dip at the top.
Jessica Orwig, Contributor
Cells exposed to an inflammatory signaling molecule are quicker to commit suicide -- but speed can lead to mistakes.
Nala Rogers, Staff Writer
Artificial "protocells" suggest the complex biochemical mechanisms used by living cells could have originated in simple bubbles.
Tom Metcalfe, Contributor
New finding suggests muscle tone and wing posture help the insects execute an upside-down backflip, even when anesthetized.
Charles Q. Choi, Contributor
By mimicking the diabolical ironclad beetles' wing cases, engineers may be able to build stronger joints for applications such as airplanes.
Charles Q. Choi, Contributor
Researchers found that confined tumors are more resistant to drug treatments.
Meeri Kim, Contributor
Cryo-electron microscopy helps scientists see the structure of biomolecules down to each individual atom.
Catherine Meyers, Editor
So-called cryo-electron microscopy can see the atoms of biological proteins in water.
Catherine Meyers, Editor
Some scientists look into the sky for stars; others look for starlings.
Yuen Yiu, Staff Writer
New principles could pave the way for custom molecules.
Dave Zobel, Contributor
Insights may lead to advances in solar power.
Charles Q. Choi, Contributor