Whether or not you think humans should be announcing our presence to the cosmos, we're doing it, anyway. Both intentionally, and not. And if aliens really do exist, there are several ways they could find us. Here are six of them.

There are hundreds of billions of planets in our galaxy. Scientists now think hundreds of millions of them have conditions where life could arise. What do scientists think are the best ways of reaching out to them? And why do some...

The Olympics inspire dreams by showcasing athletes' dedication and passion while reminding viewers of the hard work, struggles, and triumphs behind the scenes. Beyond athletics, the Games highlight global diversity, humanizing stories...

Gabriella Lascano rose to prominence as a plus-size influencer, advocating for respect at any size with her natural blend of confidence and self-love. She shares how a friend's death led to a candid reassessment of her own health and...

We can't get rid of anxiety and depression, so we might as well talk about it, says depression truth-teller Adam Whybrew. Sharing his own experience with mental illness, he reveals the surprising benefits of opening up about stress at...

Ever wished you could stop procrastinating and just be as efficient as a machine? Since you're a human, that's not going to happen -- but that's OK, says entrepreneur Dan Shipper. Here's how you can use awareness, observation and...

Sure, potions of invisibility and immortality may be a little hard to come by in the real world, but there's some legit science behind less fantastic ones. Historical sleep and love potions are grounded in science, even if some of the...

Quantum computing is cool, but you know what would be extra awesome - a quantum internet. In fact if we want the first we’ll need the latter. And the first step to the quantum internet is quantum cryptography.

There is no phase of a human’s lifetime that is as strange and disgus....er....magical as the transition from childhood into adulthood - that handful of years that we call . . . PUBERTY. Why does it happen? How does it work? Why is it so...

Ever since we started launching stuff into space, we've communicated with spacecraft (and astronauts) using radio waves. But over the past few decades, scientists have experimented with a new technique that could make things a lot more...

A Youtube Phishing Attack You Need to Watch Out For

Searching for a cure for rickets led to the discovery of vitamin D. Fortifying foods with vitamin D led to another disease, and a whole new way to view genetic disease in general.

Hank interviews Administrator Gina McCarthy of the United States Environmental Protection Agency. They discuss getting people to care about climate change, the EPA's goals going into the United Nations Climate Change Conference, and the...

The Internet is older than you might think!

The UN's Intergovernmental Panel on Climate Change released the final part of its sixth assessment report. In it, they steer away from the gloom and doom and remind us of a future that's still remarkably possible.

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Physics and marketing don't seem to have much in common, but Dan Cobley is passionate about both. He brings these...

Jessi has a secret message she wants to share with Squeaks, but first they'll need to use some special ingredients to reveal it.

Two of the vaccines we have for COVID-19 have the distinction of being the first mRNA vaccines to see widespread use in humans. But how do they work, and how are they different from the litany of immunizations you probably got as a kid?

Wouldn't it be nice if our transportation was as sleek as in The Jetsons or Futurama? Flying cars are cool, but what about a giant network of human-sized tubes that run through buildings and across entire cities? Well guess what? The...

Sometimes, when you bump your elbow really hard, your arm can get all weird and tingly, all the way down to your fingers! Some people call that "hitting your funny bone," but what you're hitting isn't a bone at all!

Why do we cry? It's weird. Humans leak water out of their faces when they get sad. Are we the only animals that do this? What does it mean? What is it for? Here's the science of human tears!

Strong faith is a core part of Alaa Murabit's identity -- but when she moved from Canada to Libya as a young woman, she was surprised how the tenets of Islam were used to severely limit women's rights, independence and ability to lead....

A discovery-oriented introduction to error correction codes.

Today Hank and Sam figure out if medical side effects could help you "do crimes" and whether you can have a "gentle hate."