Wisconsin bear attack: Boy shoots, kills animal mauling father

A 12-year-old boy shot and killed a wounded black bear as it was mauling his father near their hunting cabin in the thick western Wisconsin woods.

Northern Lights return to Michigan this week

NOAA predicted the aurora borealis intensity between moderate and strong, with chances it gets upgraded to severe.

WATCH: SpaceX's Polaris Dawn crew completes first private spacewalk

Jared Isaacman, CEO of Shift4 integrated payment processing solutions, participated in the first ever private spacewalk by a group of astronauts who left a SpaceX capsule after a delay of a few hours, testing a new line of spacesuits in the company's riskiest mission yet.

West Nile and EEE: What's the difference between the mosquito-borne viruses?

The mosquito is the world’s deadliest animal, and dangerous infections have been in the headlines lately. Here’s what to know about the diseases and how to tell them apart.

Watch: Massive fireball wows onlookers in four states

A massive fireball stunned onlookers as it streaked across four states. Scientists are now on the hunt for pieces that may have fallen to the ground.

‘Almost identical’ dinosaur tracks found in Brazil and Africa. Here’s what that proves

More than 260 dinosaur footprints discovered in Brazil and Cameroon provide further evidence that South America and Africa were once connected as part of a giant continent millions of years ago, according to a recent study.

Rugby legend Percy Montgomery rescues stranded dolphin calf on Cape Town beach

Springbok Rugby World Cup champion Percy Montgomery became a hero after rescuing a stranded dolphin calf on a beach near Cape Town earlier this month.

Here's when NASA's Starliner astronauts will finally come home – and how

NASA says it's not safe enough to let Butch Wilmore and Suni Williams fly the new Starliner spacecraft back to Earth, so they'll come home aboard a SpaceX Dragon capsule next year. Meanwhile, Boeing will suffer the ignominy of being bailed out by a rival.

Shroud of Turin really is 2,000 years old, new study suggests

The Shroud of Turin is believed by some to be an ancient burial garment for Jesus Christ, while others have claimed its a forgery.