This video presents a modernised reproduction of the Antikythera Mechanism, including clips of the manufacturing process and a snippet of how the device works.

This video introduces the Sun and planets of the solar system. This video looks at galaxies ,identifies the location of the solar system in the Milky Way galaxy and discusses the role of nuclear fusion in the sun.

This video examines details relating to the planets Uranus, Neptune and their moons. This video also looks at the dwarf planet Pluto and its moons, as well as comet formation in Kuiper Belt and Oort Cloud.

This video offers a more in depth look at how nuclear fusion occurs in the Sun.

This video examines details relating to the planets Earth, Mars and their moons, as well as the Asteroid Belt.

This video examines details relating to the planets Jupiter, Saturn and their moons.

Learn What the Distance is Between the Earth and Moon with the planet song What's the Distance Between the Earth and Moon Song by

Learn the planet Venus song with this Planet Venus Song by KLT

The Solar System identifies the solar system including the sun and all celestial bodies that orbit the sun.

Cosmic Galaxies identifies all objects within a galaxy by describing a galaxy, including gas, dust, stars, and any object that orbits the stars, and identifies the Milky Way as our home galaxy.

From ancient civilizations to modern breakthroughs, learn about the nine most important cosmic discoveries that changed the way we look at our Sun, Moon and beyond. Learn how Copernicus challenged the status quo, Kepler unveiled the...

A black body is a theoretical or imaginary object that perfectly absorbs all incoming electromagnetic radiation, and also emits radiation, like heat and visible light, based on its temperature. A black body is considered theoretical...

Planets and Moons identifies the planets that have moons and debris that orbit them by describing the planets and their moons and debris.

Inner and Outer Planets compares and contrasts the properties of the inner and outer planets.

The Planets describes the characteristics of each planet within the solar system by explaining each planet’s characteristics.

Learn about Kepler 37B -- the smallest known exoplanet -- including its discovery, history, orbit, other members of the Kepler-27 system and more with this Astronomy video by KLT!

The Sun identifies the sun as one of many stars that exist in the universe by recognizing that the sun appears to be the largest star in the sky because of how close it is to Earth in relation to other stars.

Astrophysicist Scott Tremaine, Institute for Advanced Study, describes the many open scientific questions associated with Saturn and its rings, describing what we know, what we don’t know, and why we know there’s a problem with some of...

Astrophysicist Scott Tremaine, Institute for Advanced Study, describes the issues associated with the search for exoplanets, highlighting how we actually had the technology to find them years ago but were limited by our own conceptions...

Astronomer Jill Tarter, Director of the Search for Extraterrestrial Intelligence Institute, discusses Frank Drake's famous attempt to evaluate the likelihood of extraterrestrial life.

Neuroscientist Jennifer Groh (Duke) describes an often-overlooked problem associated with how the brain processing different streams of sensory information.

Astrophysicist Scott Tremaine, Institute for Advanced Study, gives the example of the particularities of our solar system to describe a common problem of astronomy and some other fields in the NS: determining whether what we see around...

Astronomer Jill Tarter, Director of the Search for Extraterrestrial Intelligence Institute, highlights the link between recent discoveries of numerous exoplanets and the search for extraterrestrial life.

SETI Institute astronomer Jill Tarter describes the thinking behind the famous Drake Equation, characterizing key aspects of our ignorance of the existence of alien civilizations