3 grizzly bears in Montana tested positive for bird flu, euthanized last fall

Highly pathogenic avian influenza (HPAI) is a strain of the influenza virus that primarily infects birds, but can also infect humans. The virus is highly contagious and can be deadly.

‘The Last of Us’ zombie fungal parasite is real and causes ants to commit suicide

If you thought fictional zombies walking around on film were scary, the condition that turns creatures into mindless eating machines actually exists in nature.

Humpback whale that washed ashore in NJ likely struck by vessel: Officials

The Marine Mammal Stranding Center said that preliminary results of a necropsy on the whale indicate that the animal had “blunt trauma injuries consistent with those from a vessel strike.”

WATCH: Giant python crosses road in Florida Everglades

A video of a gigantic Burmese python crossing a road in the Florida Everglades is stunning viewers – but many think the person taking the video should’ve run it over. 

Russia to replace crew capsule at space station after coolant leak

Russian space corporation Roscosmos said Wednesday that it will launch a new spacecraft to take some of the International Space Station's crew back to Earth after their capsule was damaged and leaked coolant.

Ozone hole should fully mend by 2066, UN says

A United Nations scientific report says Earth's protective ozone layer is slowly but noticeably healing.

Bright green comet may become visible to naked eye later this month

C/2022 E3 (ZTF) hasn’t come so close to Earth since the last ice age, experts say. Here’s how you may be able to see it later this month.

Old NASA satellite falls harmlessly from sky off Alaska coast

After almost 40 years circling Earth, a retired NASA science satellite plunged harmlessly through the atmosphere off the coast of Alaska, NASA reported Monday.

What is a horned 'frog?' How did it become TCU's mascot?

Texas Christian University's mascot is a small, spikey reptile that shoots blood out of its eyes in self-defense. No, it's not a frog. Yes, it actually shoots blood.

Idaho student murders: What is genetic genealogy, a tool reportedly used to help capture the suspect?

The arrest of a man in connection with the murders of 4 University of Idaho students has cast a spotlight on a tool used by law enforcement to help solve crimes. Here's what you should know about Genetic Genealogy.

A look back at 2022’s most pivotal moments of space exploration

This year saw dozens of rocket launches and space science milestones that will help us better understand Earth and our universe.

Look up: See all 7 planets in the sky through the end of the year

For the most part, all seven planets can be viewed in the dusk sky with the naked eye, but you might want to grab your binoculars just in case.