There were 1,838 new Covid-19 cases on Labor Day. The last time new cases were this low was on June 15, officials...

Bulked-up, mutant “mighty mice” held onto their muscle during a monthlong stay at the International Space Station, returning to Earth with ripped bodybuilder physiques, scientists reported Monday. A research team led by Dr. Se-Jin Lee of the Jackson Laboratory in Connecticut sent 40 young female black mice to the space station in December, launching aboard a SpaceX rocket. In a paper...

New regulations require that the bodies of those who died with a respiratory illness, but weren't diagnosed, be tested for COVID-19 or the...

An estimated 45 million people in southern Africa are food insecure, with the number of people without access to adequate affordable and nutritious food up 10% from last year, the World Food Program said Monday. The COVID-19 pandemic, coupled with climate change and the struggling economies of several countries, are the main causes of the food insecurity, said international aid organizations in a...

The Hubble Space Telescope team has released another stunning space image captured by the instrument -- this one of a globular cluster called NGC...

At the height of the coronavirus lockdown, President Donald Trump and his top health advisers trumpeted a new test that would help Americans reclaim their lives — one that would tell them if they already had the virus and were protected from getting it again. Months later, the U.S. is awash in the tests but the bold predictions about their usefulness have yet to materialize. “There was...

Virgin Galactic will be conducting a crewed test of it SpaceShipTwo next month, inching closer to its plan of taking tourists to the very edge of...