Device made of heart tissue and a robotic pumping system beats like the real thing.

Solar panel costs have dropped lately, but slimming down silicon wafers could lead to even lower costs and faster industry expansion.

Study suggests noninvasive spectroscopy could be used to monitor blood glucose levels.

New light-sensitive material could eliminate some of the endoscopic procedures needed to remove gastrointestinal devices.

With help from spaghetti and color-changing fibers, a new mathematical model predicts a knot’s stability.

Technique may help remotely image and assess health of infants, burn victims, and accident survivors in hard-to-reach places.

Mining materials from the sea floor could help secure a low-carbon future, but researchers are racing to understand the environmental effects.

Long-lasting capsule can remain in the stomach and release contraceptive drugs over several weeks.

New material should be relatively easy to produce at an industrial scale, researchers say.

Its extendable appendage can meander through tight spaces and then lift heavy loads.