Happy birthday, dear Curiosity! Happy birthday to you!

Saunas really do have a positive health effect, a new review concludes.

Treasure? Yep, priceless, golden, sparkly treasure.

The Mayans expanded haphazardly, and they ended up paying the price for it -- but Mother Nature also had a...

95% of the emblematic creatures' populations are on the brink of extinction.

It's not a simple problem and it doesn't have a simple answer -- but here's what we can do.

I don't wanna say it's global warming, but it sure quacks like global warming.

Things are not OK.

An amazing finding in the heart of Cologne.

Nope, not a dolphin-whale hybrid.

It's one of the most memorable and heartbreaking processions you can imagine.

We need as many of these stories as we can get.

The effects of climate change are way beyond deniabiity, researchers say. It's time to start acting.

An exciting new study entertains the possibility of alien life on Jupiter's icy moon.

The electric car race is heating up.

There are two ways to look at this: one is upbeat and optimistic, but the other is much darker.

As if climate change didn't bring enough problems.

A concerning study has found that cirrhosis-related deaths have increased by 65 percent from 1999 to 2016.

Small green parcels can do a lot for our mental health.

Well, this is unexpected.

I'm not saying it's climate change, but it definitely quacks like climate change.

We need to talk about plastic straws -- and about banning plastic straws.

It's a landmark achievement.

Now, what's in the big black box?

I'd recommend this book to anyone, from the children curious about the world to the scientist too busy to ask...

Looking sharp, Titan!

America has a hidden problem on its hands.

Contrary to popular belief, omega-3 supplements don't protect your heart.

Color me impressed!

Geologists used climatic changes to define the new period -- but not everyone agrees.

A much needed boost in the research of early-stage Alzheimer's.

Scientists figure out why weed gives you the munchies.

Next up -- clinical trials.

Kind of puts things into perspective, doesn't it?

There's more diamonds than you can imagine.

They were the last Ivy League university which still had this requirement.

Here are the results of the animal popularity contest.

Heat is bringing out ancient features.

The best thing to do is to stick to a healthy diet and be physically active.

This could be a game changer for protecting some coral reefs.

The stuff of legends.

It's still pink, after all these years.

We all get cranky for silly reasons sometimes, but this is a life-changing sentence we're talking about.

Bon Appétit!

What will they do next?

Robots do a much better job at sanitizing than humans ever could.

Iceland is welcoming a new generation of miners.

Trust not your eyes.

Your mom was right.

Scientists have managed to see the unseen.