Ivan Semeniuk

While gravity remains a mystery, we explore recent discoveries on mass.

Mercury offers us a look at a solid world and the forces that shape it. With substantially more matter and a thicker atmosphere, Venus tells an even more complex story.

The story of the Hubble's launch that almost resulted in total failure.

In this episode we see how we might put a human on Mars.

This episode asks why no other civilization has presented itself in the Universe.

The moon is our nearest neighbour in space and the keeper of some of our oldest secrets. It is also our cosmic stepping stone to a future among the planets.

The gas giants of the outer solar system, Jupiter, Saturn, Uranus and Neptune, represent very different kind of planets, with exotic atmospheres, liquid interiors and rings.

In this episode we explore the role water plays in the search for life.

Explores the optics of the Hubble telescope, and how light is emitted in space.

Explores what Hubble has revealed about the formation of the universe.