Scientists studying the behavior of wild octopuses off the coast of Australia have made a strange discovery, with the creatures caught hurling silt, algae and even shells at one another. The finding ...

Astronomers have discovered an extremely faint, low-mass object in the distant cosmos, raising suspicion that it could be made up of dark matter, the elusive substance that makes up nearly 30% of the ...

the non-destructive evaluation of composite materials, ceramics, and semiconductor devices, quality control in the pharmaceutical and food industries, public security, medical diagnosis and therapy.