Science

With a mass 17 billion times larger than our sun, this black hole is the fastest-growing black hole ever recorded, Australian National University said.

There's a one in a billion chance it could hit somebody on the head. Europe's space agency doesn't know exactly when or where it will land.

Scientists have found what they say could be one of the oldest Stone Age megastructures in Europe: a giant stone wall on the floor of the Baltic Sea. They've dubbed it the "Blinkerwall."

If successful, the uncrewed spacecraft would be the first U.S. lunar landing in more than 50 years, and would mean one giant leap for the commercial space sector.

We start to lose muscle in our 30s, and the loss accelerates with age, putting us at risk of frailty later in life. But what you eat — specifically how much protein — is a big part of the solution.

Memory is complicated. A new study co-authored by Jeopardy! contestant Monica Thieu looks at how two different memory systems might give some people an edge with recalling facts.

Amtagvi is intended to help patients with melanoma that cannot be removed with surgery or has spread to other parts of the body.

The study looks at 6,000 patients who got abortion pills after an online appointment. It found that 99.7% of those abortions were not followed by any serious adverse events.

The first known fatality was an elderly man who lived alone in a forested area and was immunocompromised. Scientists say there's no evidence of human-to-human transmission of the virus so far.