The answer is: a method to celebrate a major milestone. A proud video celebrates 500,000 followers and gives an idea of how big that number is. The resource in the Veritasium playlist goes on to answer several questions posed by...

Are we alone? With thousands of exoplanets orbiting stars near and far, it's a question that has plagued astronomers for many years. Examine the facts and probabilities in a thought-provoking video. The narrator discusses the search for...

A star is born! Introduce young astronomers to the characteristics of nebulae in a narrated video. Discover what they are made of, why some reflect light and others glow on their own, and the locations of several notable nebulae. The...

What lies beyond our solar system? Share an interesting video describing the Oort Cloud with astronomy scholars to find out! The narrator explains that this far-flung region, along with the scattered disk and Kuiper belt, is...

There are so many galaxies in the universe that the vast majority of them are too distant for the human eye to perceive. An astronomy video discusses the Hubble Telescope's Deep Field image from 1995 and the eXtreme Deep Field image...

Everything is relative ... including the length of a year! Physics students explore time on a galactic scale in an animated video. The resource focuses on the tropical year upon which our calendar is based, galactic years, and the length...

In 2011, a Nobel Prize was awarded for explaining how dark energy is causing solar systems to move away from each other at increasing speeds. The video highlights the theories the discovery was based on and the connection to Einstein.

Take a trip through space and practice the alphabet with a music video that features new rendition of the alphabet song. A cartoon animal sours through space, passing stars, planets, and letters A-Z.  

Can you predict what will happen more than 850 years in the future, down to the exact date? Scientists and mathematicians know exactly when specific asteroids will pass near us or possibly hit us. The video explains how they track the...

What might happen if a body encounters the vacuum of space? Through multiple experiments and a couple of real-life accidents, we know more about how a person would die — and it doesn't look nearly as dramatic as science fiction...

How do scientists define a planet? Does it have to orbit a star? The discovery of a possible planet that is on its own with no star is opening up these questions for scientists. The planet is relatively close to us but still so far away...

In addition to celebrating the anticipation of 2015's solar eclipse, the host, Jessi, examines what the phenomena is and why it occurs in a brief yet informative video.

Take a trip to space's gas giants, also known as the outer planets—Jupiter, Saturn, Uranus, and Neptune—with an interesting video equipped with a spirited host, a cartoon sidekick, and bright, colorful graphics.

Take a trip to the rocky planets—Mercury, Venus, Earth, and Mars—with an engaging video that details their unique attributes.

The Milky Way is the focus of an engaging video that details the galaxy in which we live, equipped with an energetic host, a cartoon sidekick, and eye-catching graphics.   

Take a step into the International Space Station with an entertaining video that thoroughly details all the going on when astronauts call their home ISS

A lunar eclipse or the red moon? This is the focus question of a captivating video hosted by the knowledgable and energetic Jessi and her mouse sidekick Squeaks. Here, the two examine the what, why, and how of lunar eclipses and...

Follow along as host Jessi and her mouse sidekick, Squeaks, examine space's comets and asteroids. Discover what they are made of, their size, where we can find them, and two of the more popular space objects of the group.

What's bigger than an asteroid but smaller than a planet? A dwarf planet! Take a peak into the five dwarf planets—Pluto, Haumea, Makemake, Eris, Ceres—with a captivating video hosted by Jenni and Squeaks.

What are stars and how do they work? Find out with a peppy video that examines hot balls of gas, the sun, and several constellations. 

Are aliens real? Find out with an engaging video that details the three ingredients—water, oxygen, and food—necessary for living things to survive. 

Get crafty with the help of pictures and a real-time demonstration from a video that details the step-by-step process in creating a paper solar system. 

Be prepared to get an in-depth look into the sixth planet from the sun—Saturn—with a fast paced, eye-catching video that details the planet's famous rings.

Discover why astronauts go to space and what they do there with an entertaining video equipped with captivating graphics and an energetic host.