Americans' life expectancy dropped for the second year in a row and is the biggest drop since the 1920s. COVID-19 is driving the downward trend, according to CDC data.
Harvard astronomer Avi Loeb thinks alien technology could be on the ocean floor. And if he finds anything with buttons on it, he would very much like to press those buttons.
The international atomic watchdog has been to some of the world's toughest locations, but nothing quite like Europe's largest nuclear power plant in an active war zone.
The space agency's long-awaited Artemis I mission will have to wait until at least Friday, after a problem with one of the SLS rocket's engines was discovered.
NASA's Apollo missions already sent astronauts to the moon from 1969 to 1972. But scientists say there's still lots of good science to do there. The moon also could be an ideal stepping stone to Mars.
The Artemis I mission is uncrewed, but that doesn't mean the spacecraft is empty. Lots of mementos are making the trip, along with manikins that will help NASA prepare to send humans back to the moon.
NBC correspondent Richard Engel announced that his son Henry, who had been diagnosed with Rett syndrome as an infant, died on August 9. Here's what to know about the disorder.
Shortly after researchers unearthed the mummified body of a 55,000-year-old Steppe bison in the Alaskan tundra, they sliced off a piece of its neck. To eat!
So sweat doesn't really smell bad at all. But when bacteria eat the sweat — nostrils, look out! Only it turns out that these sweat-eating critters are responsible for a big health benefit.
A team of researchers filmed jumping spiders overnight and observed behaviors that mirror rapid eye movement sleep in other species. It helps that baby jumping spiders have translucent exoskeletons.
Researchers found an overall 1.3% increase per year in advanced stages of the disease, with the greatest increase taking place among white women in the South aged 40 to 44.
In recent years, orcas have been damaging the rudders of pleasure yachts, mostly along the coasts of Portugal and Spain. Scientists and sailors are struggling to understand the encounters.
The hottest, driest summer since the government began recording rainfall and temperature 61 years ago has wilted crops and left reservoirs at half their normal water level.
