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.

Co-workers leave Colorado man behind on mountain summit during office retreat

An injured Colorado man weathered a storm and survived a night alone on a mountain after his co-workers left him behind during an office retreat, rescue officials said Sunday.

Can Chicago's skyline predict the weather? Argonne scientists investigate urban canyons

When it comes to Chicago weather, we all know the saying – if you don’t like it, wait 15 minutes. Now, Argonne scientists are attempting to make Windy City weather a little more predictable by studying what's called “urban canyons" and they are in downtown Chicago.

Can Chicago's skyline predict the weather?
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When it comes to Chicago weather, we all know the saying -- if you don?t like it, wait 15 minutes. Now, Argonne scientists are attempting to make Windy City weather a little more predictable by studying what's called ?urban canyons" and they are in downtown Chicago.

DIY science experiments with Griffin Museum of Science and Industry
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The Griffin Museum of Science and Industry is getting kids excited for another year of learning with experiments families can do together at home.

Have you been experiencing mysterious bug bites? These mites could be the culprit
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First it was the cicadas, now people are complaining of mysterious bug bites. They are said to be coming from oak mites. Northwestern Medicine dermatologist Dr. Paras Vakharia explains more.

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.

'Bizarre-looking' creature getting a helping hand from North Carolina conservationists

The hellbender is a large, aquatic salamander that favors clean, cool water, and spends most of the time under rocks. The U.S. Fish and Wildlife Service estimates that the population has dropped significantly since the 1970s.

Miss Monday's supermoon? When you can see it again

Monday's supermoon appeared 14% larger and 30% brighter, but more supermoons are on the way.