Hank gives us a summary of a strange new calculation, which estimates the total body mass of all the humans on earth.

It’s becoming harder and harder to categorize moons as moons.

______________________________________

_____

To learn more, start your googling with t
hese keywords:
Moon: a natural...

A mini-lesson on cause and effect.

The record for the fastest thing ever created by humans is a tie between the Helios 2 probe and a manhole cover.

May 23rd, 1967 could have been the beginning of the end - all thanks to the sun.

Jupiter has a bunch of asteroids that are trapped in two specific points in its orbit!

We're used to talking about planets as spherical objects, but a donut-shaped planet is theoretically possible. What would life be like on one of these?

Scientists have worked out how likely it is that distant planets can see earth, and we are learning new ways to study the magnetic fields of galaxies.

Have you ever looked up at night and seen a streak of light flash across the sky? Some people call that a "shooting star," but it's not actually a star at all! Join Jessi and Squeaks to learn what shooting stars really are and how they...

In this captivating video narrated by astrophysicist Neil deGrasse Tyson, viewers are taken on a journey through the history of the universe, from its explosive beginnings to the evolution of life on Earth. Through a mix of science and...

Today we're going to talk about SPAAAAAACE, but not like stars and satellites and stuff. Instead, we're going to talk about geographic space. In geography, we can look at the world and the places and spaces we inhabit with four distinct...

As of 2018, there are around 2.5 billion smartphone users in the world. If we broke open all the newest phones and split them into their component parts, that would produce around 85,000 kg of gold, 875,000 of silver, and 40,000,000 of...

The rumors are true! There's an Earth-like planet orbiting our neighboring star!

It's tricky to study the particles of our Sun because Earth’s magnetic field deflects them, but scientists have found ways to do it! They're helping us understand things like the Sun’s origin, what it's made of, and how it might affect...

New discoveries into two weird things that may have played havoc with the ancient solar system: dark matter and a wandering star.

What does it really take for a planet to be habitable? It turns out, certain parts of a star system, a galaxy, and even the universe as we know it, are more habitable than others. Get to know them as Hank takes you on a tour of some of...

During most of the past 2 million years or so, there were several species of hominins on Earth at any given time. Like, you might be familiar with our famous extinct cousins, the Neanderthals. But since 2010 we’ve been uncovering...

Hank gives us the skinny on three plans NASA scientists have come up with to save Earth from an asteroid impact. Hopefully we'll never have to use any of them.

Astrophysicists have discovered an exoplanet that lost its atmosphere, but then, somehow, grew it back! Also, astronomers used satellite data to find a magnetic hurricane above the north pole that we almost missed!

NASA’s Magellan mission gave us unprecedented insight into Venus’s rocky surface, and even now, more than 25 years after the mission ended, it’s still one of our main tools for learning about our mysterious, next-door neighbor.

Did you know Einstein never thought we’d find actual black holes in space? It took decades of research to show black holes are physically possible, and some of the scientists behind that research were honored this year with the Nobel...

We’ve done a surprising amount of exploration on Mars, from its atmosphere, to its surface, and miles deep into its canyons. But mapping its insides has been a quandary that we hadn’t been able to solve until last week!

Considering how massive our universe is, we know the distances to cosmic objects surprisingly well. What tools and clues do scientists use to measure distances that are so enormous they sound like made-up numbers?

Jacqueline Novogratz applauds the world's heightened interest in Africa and poverty, but argues persuasively for a new approach.