Using strong and targeted but noninvasive magnets at specific sites in the brains of people with and without mild learning and memory problems, Johns Hopkins researchers report they were able to detect differences in the concentrations of brain chemicals that transmit messages between neurons.

A newly discovered parasitic cycle, in which ocean bacteria keep phytoplankton on an energy-sapping treadmill of nutrient detoxification, may offer a preview of what further ocean warming will bring.

Carbon monoxide detectors in our homes warn of a dangerous buildup of that colorless, odorless gas we normally associate with death.

Scientists hoping to find life on Mars should look down — way, way down.

The pilot of the rowboat Alba had a noble goal – to raise awareness and funds for the Scottish Association for Mental Health.

Scientists at Scripps Research have found that they can reverse the desire to drink in alcohol-dependent rats—with the flip of a switch.

Warning to arachnophobes and the faint of heart: This is the stuff of nightmares, so you might want to proceed with caution.

Tropical Cyclone Savannah weakened and “lost” its eye as high clouds filtered over it.

Tropical Cyclone Trevor formed in the Coral Sea of the Southwestern Pacific Ocean on March 18.

It isn’t easy being green.