Tropical Storm Arthur is the first named storm of the Atlantic hurricane season and will bring heavy rains and potential flash flooding to the Southeast

Why the human brain can't fathom what it means to be a trillionaire

Graves of hunter-gatherers in Siberia point to a deadly disease outbreak dating to some 5,500 years ago, a new DNA analysis finds

A galaxy appears to be missing the invisible substance thought to hold such objects together, further challenging long-held assumptions about how galaxies form

Galapagos sharks have been spotted scrubbing off parasites with help from manta rays

Neuroscientist Kauê M. Costa talks about surprising results that are changing how we think dopamine works and how the brain really learns

The Trump administration is mulling new rules that would give political appointees final say on research grants