The Nebra sky disk, which has been called the oldest known depiction of astronomical phenomena, is a "very emotional object."

Scientists were surprised to find the insect's preserved penis, which suggests it was an unknown species.

Researchers found that the variant originated in California and showed up in more than half of samples tested last week by researchers in Los Angeles.

The president-elect detailed plans for an initial effort to fight the coronavirus and a subsequent one to address economic recovery.

Once immunity is widespread in adults, the virus rampaging across the world will come to resemble the common cold, scientists predict.

The virus has killed American Indians at especially high rates, robbing tribes of precious bonds and repositories of language and tradition.

Brazil says CoronaVac has an efficacy rate just over 50 percent, much lower than previously announced. More than 380 million doses have already been ordered.