Watch magical moment man proposes under dreamy purple aurora

The geomagnetic storm this week helped make the aurora incredibly vibrant, and brought Northern Light displays to much of the northern U.S.

Fat Bear Week 2024: Grazer takes the crown after confronting her cub’s killer

In an emotional turn of events, Grazer won the 2024 Fat Bear Week contest, defeating Chunk, the bear that killed her cub earlier this summer. Fans from around the world cast over 40,000 votes in this Alaskan wildlife competition.

The yellow dye in Cheetos makes skin transparent, scientists find

A recent study revealed that the yellow dye used in Cheetos can make mouse skin temporarily transparent, allowing researchers to view internal organs without invasive techniques.

Contagious, deadly rabbit disease detected in WA

The Washington state veterinarian's office has confirmed the presence of a lethal rabbit virus, Rabbit Hemorrhagic Disease Virus type 2 (RHDV2).

Scientists deploy monitors at WA volcano amid unusual earthquake activity

Mount Adams usually sees an earthquake every couple years. There were six in September 2024 alone. Scientists are sending resources out for closer monitoring.

New census shows drop in WA's Southern Resident Killer Whale population

Northwestern Washington's beloved Southern Resident Killer Whale population has dropped. Researchers say the drop is unfortunately what they have come to expect in recent years.

Mount Everest, the world's tallest mountain, is still growing — here’s why

Mount Everest is growing taller every year, and new research suggests that the merger of two rivers thousands of years ago plays a key role in its rise.

Dolphins smile at each other while playing, study says

Dolphins are actually smiling at each other when they open their mouths while playing with one another, according to a recent study out of Italy.  

Fat Bear Week starts a day late after bear kills rival on live webcam

Fat Bear Week is back, but the annual contest that celebrates brown bears and their healthy appetites was delayed after a bear killed another bear on a live webcam.

Scuba divers have 'once-in-a-lifetime' close encounter with great white shark near Catalina

Scuba divers near Catalina had a rare and thrilling encounter with a 15-foot Great White Shark, capturing the moment on video as the shark calmly circled them before swimming away.

Watch: 'Comet of a century' puts on beautiful show while zooming by Earth

Astronomers said Comet Tsuchinshan-ATLAS reached perihelion, its closest point to the Sun, on Sept. 27 and will spin back around for another visit to Earth's neighborhood. On or before Oct. 12 will be the next chance to see the celestial show.