Satirist Tom Rielly delivers a wicked parody of the 2006 TED conference, taking down the $100 laptop, the plight of the polar bear, and people who mention, one too many times, that they work at Harvard. Watch for a special moment between...

Researchers published a paper last month, exploring the possibility that our sun might have once had a stellar twin! Could our solar system have once been a binary, or even a multi-star system?

To repeat the space time maxim: it's never aliens .... until it is. So let's talk about 'oumuamua.

Scientists are turning wastewater into fuel, using special bacteria, and other scientists have unveiled bionic mushrooms that can produce electricity!

According to two new papers, Mars may have gigantic drinkable glaciers and we might have found the reason that galaxies glow.

InSight has safely landed on Mars, and astronomers have some improved theories about the TRAPPIST-1 system.

Feathers might have originated tens of millions of years before we'd thought, and a 3D rendering of ankylosaur nasal passages lends new insight into how they stayed cool.

Penguins are infamous for being ready for any formal event, yet it seems that we're still unsure why they, and numerous animals have this distinct color contrast.

Have you ever doubted yourself and felt like you don't deserve your job or that college acceptance letter? Well, you're not alone!

You may have read headlines suggesting that if you have allergies, you might be at greater risk of developing mental illness. But don't panic just yet. Hank unpacks these findings on this week's SciShow News.

Pi day (3.14) is Albert Einstein's Birthday! To celebrate, we'll explain 4 of his most groundbreaking papers from 1905, when he was just 26 years old.

Why do cats love catnip so much? Researchers have found a possible evolutionary answer to this adorable feline phenomenon!

Anand Agarawala presents BumpTop, a user interface that takes the usual desktop metaphor to a glorious, 3-D extreme, transforming file navigation into a freewheeling playground of crumpled documents and clipping-covered "walls."

Starting with four basic questions (that you may be surprised to find you can't answer), Jonathan Drori looks at the gaps in our knowledge -- and specifically, what we don't about science that we might think we do.

Decades ago, few pediatricians had heard of autism. In 1975, 1 in 5,000 kids was estimated to have it. Today, 1 in 68 is on the autism spectrum. What caused this steep rise? Steve Silberman points to “a perfect storm of autism awareness”...

Children's toys can help teach kids about colors, shapes, and imagination. But it turns out they've also inspired scientists and engineers for centuries, leading to innovations in medical diagnostics and space travel. So,...

In the fog of war, civilian casualties often go uncounted. Artist Matt Kenyon, whose recent work memorialized the names and stories of US soldiers killed in the Iraq war, decided he should create a companion monument, to the Iraqi...

It might look like a perfect circle, but the Moon is actually wider than it is tall. Now, new calculations indicate that the Moon’s shape is a remnant of a time when Earth might’ve been covered in a single, global ice sheet.

TeD Resident Fawn Qiu designs fun, low-cost projects that use familiar materials like paper and fabric to introduce engineering to kids. In this quick, clever talk, she shares how nontraditional workshops like hers can change the...

Paper cuts are tiny compared to other injuries you may have experienced, but they hurt… A LOT! This has to do with your hands being pretty sensitive, and the fact that the edges of paper are like tiny saws.

This week in news, we dive into microfliers inspired by seeds and parasites that turn plants into zombie plants!

Click here to find out more about "New Planets Found!" and "SUPER EARTH Orbiting Our Sun!". Ignore the clickbait...Hank Green explains what might have been found in this episode of SciShow Space.

Researchers have revealed a potentially life-saving rapid blood type test, and does using GPS to get around make your brain lazy?

A forest is much more than what you see, says ecologist Suzanne Simard. Her 30 years of research in Canadian forests have led to an astounding discovery -- trees talk, often and over vast distances. Learn more about the harmonious yet...