Recovering koala enjoys a belly scratch from Australian Army officer

A koala embodied happiness when it received a comprehensive belly scratch from an Australian Defence Force officer at a wildlife park on Kangaroo Island.

NASA astronaut Christina Koch talks about record 328 days in space

Michigan native turned Galveston transplant Christina Koch has completed the longest mission ever by a woman, for a single space flight.

Incredible 'angel in the sky' caught on camera thanks to weather phenomenon

Lee Howdle was out walking in the Peak District National Park in Derbyshire, central England last week when he noticed the spectacular misty shadow, according to news agency SWNS.

Mysterious signal from deep space is repeating in 16-day cycle

A new study has found a fast radio burst has been spotted coming from a galaxy 500 million light-years from Earth and it's repeating every 16 days. No one knows why.

Scientists prepare for dive into 'Midnight Zone' to study dark ocean

Scientists from the British-led Nekton Mission plan to survey wildlife and gauge the effects of climate change in an unexplored area of the Indian Ocean.

Does wearing a face mask protect you from coronavirus and other infectious diseases?

As more cases of the new coronavirus spring up across the globe, more people are turning to face masks for protection — but are they actually effective at keeping you healthy?

Doomsday Clock moves closest to midnight in 73-year history

The keepers of the Doomsday Clock on Thursday moved the symbolic countdown to global disaster to the closest point to midnight in its 73-year history, citing "existential danger" from nuclear war and climate change.

Northernmost US city in Alaska to see sunrise for first time in months

Utqiagvik, formerly known as Barrow, is located north of the Arctic Circle and experiences a phenomenon called the “polar night.”

First space-baked cookies took 2 hours in experimental oven aboard ISS

Chocolate chip cookies became the first food baked in space from raw ingredients -- and they took two hours to bake, NASA says.

The average human body temperature is dropping, study suggests

Humans are getting colder, according to a new study out of Stanford University's School of Medicine that found the average human body temperature to be lower than the 98.6 degrees Fahrenheit average established more than 150 years ago.

Yosemite’s ‘firefall’ returns for two weeks this February

Yosemite's Horsetail Fall will light up with bright orange and red hues that resemble cascading fire for a few days in February.

'Do we need camo in space?' New Space Force uniforms draw ridicule online

They say in space no one can hear you scream, and apparently the Trump Administration is looking to ensure it's hard to see members of the new U.S. Space Force too.

Mystery drone sightings in Colorado, Nebraska and Wyoming prompt theories

Dan Carlson says drones have flown after dark near his Nebraska farm four times this year. He suspects military involvement. U.S. Air Force officials overseeing dozens of nuclear missiles scattered across the region deny any role in the drone sightings.

This year’s flu shot doesn’t exactly match the virus going around, CDC report warns

The main strain of the flu virus which is circulating currently doesn’t entirely match up with the flu vaccine that is being administered this year, according to a report from the U.S. Centers for Disease Control and Prevention.