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The first mathematical use of the concept of actual infinity has been pushed back some 2,000 years.

More than 100 species of sharks and rays have been classified and named as new species.

As common as lightning is, it still sparks considerable confusion among scientists.

New handheld medical scanners are coupled with regular cell phones.

For the first time, scientists have glimpsed inside the hidden depths of opaque amber.

Scientists are filming alligators on treadmills and pigeons on the fly with a new technology that peeks beneath the skin.

The controversial technology is being tested in Phoenix.

Fish hit with X-rays could trigger danger responses in other fish. These results might help regulators identify radiation leaks from nuclear power plants.

An anatomical oddity may help flamingos eat: erectile tissue.

X-rays and microwaves have all sorts of applications, but researchers are just beginning to explore lesser known T-rays.