Fire seasons can be bad enough on their own, but it turns out sometimes forest fires that appeared to be dead, turn out to have just been lying in wait.

It's spring where Jessi and Squeaks live, and with the spring comes a really cool part of our planet's journey around the sun: the spring equinox!

Deepika Kurup has been determined to solve the global water crisis since she was 14 years old, after she saw kids outside her grandparents' house in India drinking water that looked too dirty even to touch. Her research began in her...

Summer is coming to a close, but there is still time to take a cool, refreshing dip in the water of your choice. Before you do, be sure to check out this swimming compilation to get answers to all the questions you didn’t even know you...

At TED2009, Al Gore presents updated slides from around the globe to make the case that worrying climate trends are even worse than scientists predicted, and to make clear his stance on "clean coal."

Plants need sunlight to live, but they also need to block the sun's more harmful rays. Plants can't put on sunscreen or find shade, so how do they avoid getting a gnarly sunburn?

There’s a huge seasonal difference in death rates that is propelled by a variety of factors including pathogen behavior and anatomical response to temperature changes.

In the uS, most kids have a very long summer break, during which they forget an awful lot of what they learned during the school year. This "summer slump" affects kids from low-income neighborhoods most, setting them back almost three...

Day by day, country by country, we tend to measure seasons differently.

Around the world, there are lakes that disappear without warning. Then, even stranger, they come back! This can happen for lots of different reasons, and the fact that they vanish and reappear reveals some surprising connections.

Quick Questions explains how cold winter air triggers the same processes that form clouds, fog, and dew so you can see your breath!

Did you know you can fall in love with anyone just by asking them 36 questions? Mandy Len Catron tried this experiment, it worked, and she wrote a viral article about it (that your mom probably sent you). But ... is that real love? Did...

This week we build on our naked eye observations from last week and take a look at the cyclical phenomena that we can see at work in the universe.

If you ask someone to picture a thunderstorm, chances are they will have no problem slipping into a memory of dark clouds and bright flashes screaming out from them. But, incredibly, they’re probably picturing the tame version of...

If you live in the Northern Hemisphere, it's almost time for the summer solstice, the longest day of the year! But if all days have 24 hours, what does the 'longest day of the year' really mean? Join Jessi and Squeaks to find out!

Glacier ice is weird. It's solid. Solid things aren't supposed to flow. But glacier ice flows like a liquid, and it does that without melting! How is this possible? I traveled to Mendenhall Glacier in Juneau, Alaska to find out.

Ever wonder why we have seasons? A lot of people think it's because the Earth gets further away from the sun in winter, and closer in the summer. But, it's actually more interesting than that. In this episode of Crash Course Kids,...

Jessi and Squeaks are ready to go outside, but before they do, Jessi needs to make sure to put on sunscreen so that she doesn't get a sunburn!

Learn about different types of weather and how to keep track of your weather observations!

Ever wonder why the earth has different seasons? Michael Aranda will explain in this episode of SciShow Quick Questions.

Mister Brown and Squeaks are learning all about different cycles, or patterns, as they get ready for summer!

Life in a desert can be tough, but the plants, animals, and people that live there have some special skills to help them survive!

Around 74,000 years ago, a volcano called Toba in Sumatra exploded, and some scientists think it had a serious impact on the human population and some...don't.

You know we have four seasons: spring, summer, fall, and winter. But do you know why we have seasons? Jessi shares the answer!