NASA fired up RS-25 engine No. 20001 at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, ...

The only countries that will really learn more if [U.S. nuclear] testing resumes are Russia and, to a much greater extent, ...

President Donald Trump appears to have ordered a return to nuclear testing after decades of uneasy but effective treaties ...

President Donald Trump has suggested the U.S. will restart nuclear weapons testing, a move that upends decades of American ...

SpaceX’s Starship megarocket has successfully completed its 11th test flight which included turning off engines, removing heat protective tiles, and other stress tests. NBC News’ Priscilla Thompson ...

Home DNA testing has exploded in popularity in recent years, with millions of people around the world using these kits to learn more about their ancestry and genetic health risks. However, while ...

Conversion therapy ‒ the practice of attempting to alter someone's sexual orientation or gender identity through a variety of methods ‒ has long been debunked by scientists, doctors and survivors ...

A new blood test can diagnose chronic fatigue syndrome, also known as CFS or ME, with an accuracy of 96%, according to scientists who developed it. The researchers, from the University of East Anglia, ...

Due to the lapse in federal government funding, NASA is not updating this website. This image from testing of ChemCam shows a ball of luminous plasma erupting from the surface of an iron pyrite ...

Scientists have devised a new blood test that can help identify head and neck cancers up to 10 years before the symptoms appear. Researchers from Harvard-affiliated Mass General Brigham published ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

It's been a tough time for sunscreens recently. Earlier this year, testing on behalf of consumer organisation Choice found several sunscreens were not delivering the sun protection you'd expect. One ...