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Elon Musk took a swipe Thursday at a Facebook exec who criticized his knowledge of AI (artificial intelligence).

A clinical trial has begun to evaluate whether the malaria drug hydroxychloroquine, given together with the antibiotic azithromycin, can prevent hospitalization and death from COVID-19, the National Institutes of Health reports.

Droplets from the mouths of people who are talking loudly can linger in the air for up to 14 minutes before disappearing, a new study reveals.

A sinkhole that appeared near the famous Pantheon in Rome has revealed an ancient imperial pavement.

Japanese broadcaster NHK has worked with scientists in an experiment to show how coronavirus could be spread by touching surfaces at a restaurant buffet.

Scientists in Germany have identified potential cellular targets for treating SARS-CoV-2, the virus that causes COVID-19.

As coronavirus spreads across the globe, a crucial question has emerged: After recovering from an infection, are people immune?

An aggressive bee swarm attacked and killed three dogs in Arizona on Wednesday afternoon, according to fire officials.

A planned NASA mission to test its capability to defend Earth from an incoming asteroid could cause the planet’s first-ever artificial meteor shower, a study found earlier this year.

As if 2020 needed to become more like a Hollywood disaster film, giant Asian gypsy moths are now something to be worried about.

Is your dog acting like a moody teenager?

Georgia wildlife authorities are trying to eradicate the invasive Argentine black and white tegu — an omnivorous lizard that can grow up to four feet long and is now established in Toombs and Tattnall counties.

A rare coin from an ancient Jewish revolt against the Roman Empire has been discovered in Jerusalem.

An amateur astronomer has used data from NASA’s Solar and Heliospheric Observatory (SOHO) satellite to discover a new comet that will be visible in late May and early June.

As Americans cope with coronavirus-related stress -- facing a public health and economic crisis rolled into one -- they are increasingly turning to alcohol and drugs, a new survey showed.

The Abbott Laboratories coronavirus test that's been used at the White House to rapidly confirm whether someone is infected may miss as many as half of positive cases, according to a report from New York University.

A new study suggests that if global temperatures rise by another 3.5 degrees Celsius, sea levels could rise by an additional 4 feet by the end of the century and 16 feet by the year 2300.

Researchers have found a Super-Earth exoplanet they describe as "one in a million" in deep space.

Coronavirus infection in children may not start with a cough, researchers warn in a new study.

A new strain of the hepatitis E virus that usually only infects rats is now sickening people in Hong Kong, with nearly a dozen human cases reported so far, according to news reports. But exactly how the virus jumps from rats to people is a mystery.