This video explores the fascinating world of stars, discussing their historical and cultural significance, as well as their composition and classification. Learn about these massive spheres of hot gases that emit immense energy. From...

Almost everything you could want to know about the 7th planet from the Sun, Uranus.

Discover the ancient origins of constellations.

One type of object that some astronomers study is called a quasar. When these were first discovered, it was a bit confusing as to precisely what they are, which is why quasar stands for quasi-stellar object, since we thought they looked...

When we eventually develop the capacity to leave our solar system, we will be ready to visit countless other worlds. Where will we go first? Probably the closest system to ours, since it'll be the fastest. Which system is that? The Alpha...

We've briefly discussed exoplanets and some methods that we can use to detect them, but we haven't yet looked at any specific ones. You may have heard of the TRAPPIST-1 system that was discovered recently, and for good reason, it's a...

Learn more about the astrological sign Leo.

We've learned about the stellar life cycle, so we know what happens to smaller stars like ours, and we know what happens to larger stars that become neutron stars and black holes. But what are the limits on either side? How small can a...

We all know that the universe is big. But how big it is? Much bigger than you think. Let's start out by looking at the Earth, and then zoom out to progressively larger and larger structures, so that we can see just how big it is. Then...

A significant percentage of the population believes in astrology. This is the notion that the positions of the stars and planets in the sky at the moment of your birth have an influence on your characteristics, and that their positions...

What really is a nebula, and are we in fact in one? What is the Local Interstellar Cloud?