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.

Polaris Dawn crew arrives in Florida ahead of first SpaceX spacewalk mission

SpaceX is preparing to launch two of its employees and two other private citizens on the company's most ambitious mission yet, including the first private spacewalk and sending humans into the deepest orbit since the Apollo program. 

Don't miss the rare Blue Supermoon rising Monday

Also known as the Sturgeon Moon, the eighth full moon of the year promises a rare and breathtaking celestial sight.

Mysterious bug bites could be from mites feeding on cicada eggs

With so many cicada eggs available for food, the more mites there are to feast, disperse and then land on humans to bite.

Man in Mississippi discovers rare mammoth tusk dating back to Ice Age

An avid artifact and fossil collector recently came across a stunning discovery before alerting the Mississippi Department of Environmental Quality (MDEQ).