The U.S. skier said she wants to keep going, but her body can't take another four years.
The Shibutani siblings won their second bronze medal of the 2018 Winter Olympics in Pyeongchang.
Aleksandr Krushelnitckii left while waiting for the results of a second test for a banned medication.
Fans want to see athletes hit big tricks as much as athletes want to do them - but for that to happen, it requires a bit of help from engineers.
Don't be fooled by his young age - he's been snowboarding for 15 years.
Instead of looking at the actual size of the hole in the ozone, NASA measured how many harmful chemicals were in the atmosphere near the hole.
When a storm pulls frigid air out of the Arctic, places that aren't usually too cold can face extreme temperatures.
The storm is expected to hit much of the East Coast with snow, ice, rain and strong winds, according to the National Weather Service.
Russian officials, lawmakers and public figures expressed anger over the International Olympic Committee's decision to ban the country.
The International Olympic Committee decided Russia won't be allowed to send a team to the 2018 Winter Olympics in South Korea.
In 1997, NASA began launching satellites that could constantly record life on our planet. It's now released a video of how Earth grew in real time.
Weatherizing your home can save you money on heating and keep your home warmer during the cold months.