Increased cancer risk associated with artificial sweeteners, study says

In particular, the authors found aspartame and acesulfame were associated with increased cancer risk and higher risks were observed for breast cancer and obesity-related cancers.

Nostalgia may help reduce our perception of pain, study shows

A recent study found that viewing positive nostalgic photographs decreases activity in pain-related areas of the brain.

Meet the men behind the all-private mission to the ISS

A former decorated NASA astronaut and an international crew of paying customers will become the first to dock at the International Space Station as an all-private mission flying in SpaceX's Crew Dragon spacecraft next month.

Microplastics found in human blood for the 1st time, study says

Microplastics have been found in our food, drinks and even in human placentas. Now, researchers say they have found the first-ever evidence of microplastics in human blood.

Satellite images show New York-sized ice shelf collapse in East Antarctica

Scientists are concerned because an ice shelf the size of New York City collapsed in East Antarctica, an area that had long been thought to be stable.

SpaceX's new Dragon capsule named 'Freedom'

SpaceX's Crew-4 will launch to the International Space Station (ISS) in April aboard a Dragon capsule named "Freedom." 

Virginia-born astronaut to ride Russian spacecraft home amid tensions

U.S. astronaut and Fairfax County native Mark Vande Hei has made it through nearly a year in space, but faces what could be his trickiest assignment yet: riding a Russian capsule back to Earth in the midst of deepening tensions between the countries.

NASA image depicts historic debris cloud from clash of celestial bodies

NASA has shared an image depicting what researchers say is the first observation of a debris cloud from a massive celestial collision.

Pete Davidson no longer going to space on Blue Origin flight, company says

Pete Davidson is no longer going to the edge of space on Jeff Bezos’ Blue Origin rocket after the launch was delayed, the company said.

Spirits of past space shuttles to help boost new moon rocket

As NASA’s giant moon rocket rolls to the launch pad for the first time, some pieces of space shuttle history are riding along with it. The SLS rocket’s engines and boosters powered each of the shuttles through the years, all the way back to Columbia.

Possible obesity treatment for women identified by researchers based on how bodies store fat

Researchers have identified a potential way to battle the health effects of obesity and type 2 diabetes in women after zeroing in on a gene that determines how their bodies use and store fat.

March full moon 2022: 'Worm moon' to ring in the arrival of spring

March’s full moon — called the “worm moon” — is set to reach peak illumination this week. Here's when to see it at its brightest.

Watch: Trailcam spots python defending eggs from hungry bobcat

Biologists say they have now documented "antagonistic" interactions between a Florida bobcat and a python at the Big Cypress National Preserve in the Everglades.

NASA: Bright star, galaxies captured in latest James Webb telescope optical testing

NASA’s James Webb Space Telescope captured a mesmerizing image of the cosmos with a very bright star at its center and a couple dozen galaxies and additional stars surrounding it.

New planets could begin to form around binary star system, astronomers say

Two young stars and a bunch of baby planets: Astronomers are beginning to see the start of what could be three very alien solar systems forming around a binary star.

NASA to roll out Artemis-1 moon rocket to launch pad for critical test

Preparations are underway in Florida as NASA plans to roll out the Space Launch System, its 322-foot-tall moon rocket, to the launchpad for the first time this week.

Pete Davidson blasting off to space on Blue Origin's 4th suborbital human flight

"Saturday Night Live" star Pete Davidson will be among those catching a ride to the edge of space on Jeff Bezos’ Blue Origin rocket, scheduled to launch March 23.