Scientists at the European Space Agency have created an animation showing Mars that's been strung together from photos of a desert canyon on the planet.
Two new cholesterol drugs were shown to be safe and effective in new research presented at an annual meeting of the American Heart Association on Sunday.
Researchers are working with growers to help counter the effects of more volatile weather systems with improved hop varieties that can withstand drought and by adding winter barley to the mix.
The proportion of U.S. kindergartners exempted from school vaccination requirements has hit its highest level ever, 3%, U.S. health officials said Thursday.