Science

Floating about in microgravity might seem like a blissful reprieve for the human body’s weight-bearing skeleton, but when astronauts spend months in space, their bone density takes a serious hit that they may never fully recover from.

Firefighters in central California were working Tuesday to contain a wildfire near the Nevada border threatening a forest home to the oldest trees in the world, after making good progress on Monday, officials said.

The first images captured by NASA’s SPHEREx space telescope showed tens of thousands of stars and galaxies.

A powerful mathematical technique is used to model melting ice and other phenomena. But it has long been imperiled by certain “nightmare scenarios.” A new proof has removed that obstacle.

Two 18-year-olds, a 19-year-old and a juvenile were charged with a misdemeanor count Tuesday in connection with the start of the fire, which has burned more than 13,000 acres.

SpaceX made multiple changes in the wake of a January Starship failure, only to suffer a second straight vehicle breakup Thursday.

Can you pass me the whatchamacallit? It's right over there next to the thingamajig. Many of us will experience "lethologica", or difficulty finding words, in everyday life. And it usually becomes more prominent with age.

Consumer Reports has no financial relationship with any advertisers on this site. With age comes a greater risk that things will go wrong with your teeth. Among adults, procedures such as filling cavities tend to peak in your early to mid-50s, according to the Health Policy Institute.

Supersymmetry, a theory that posits every known elementary particle has a heavier “superpartner” particle, has been the superstar of theoretical physics for the past half century.

A team of theoretical physicists has proposed a new way to test one of the most intriguing predictions of Einstein's theory of general relativity: gravitational memory.