Guide to Space

How Old is the Universe?

The Universe is vast bubble of space and time, expanding in volume. Run the clock backward and you get to…

11 years ago

How Can We Find Killer Asteroids?

On the morning of February 15, 2013, people in western Russia were dazzled by an incredibly bright meteor blazing a…

11 years ago

What’s At The Center Of Our Galaxy?

Dr. Andrea Ghez has spent much of her career studying the region right around the center of the Milky Way,…

11 years ago

Could We Harvest Energy From a Star?

Our civilization will need more power in the future. Count on it. The ways we use power today: for lighting,…

11 years ago

What Is The Future Of Our Sun?

Who knows what the future holds for our Sun? Dr. Mark Morris, a professor of astronomy at UCLA sure knows.…

11 years ago

What Is A Super Earth?

The Universe is always surprising us with how little we know about... the Universe. It’s continuously presenting us with stuff…

11 years ago

What Is A Solar Sail?

I’m Fraser Cain, and I’m a sailor. Well, okay, I've got a sailboat that I take out on the water…

11 years ago

What’s On The Far Side Of The Moon?

You probably know we only see one side of the Moon from the Earth. But for the majority of human…

11 years ago

What is on the Other Side of a Black Hole?

Picture an entire star collapsed down into a gravitational singularity. An object with so much mass, compressed so tightly, that…

11 years ago

What Are Cassini’s Most Interesting Discoveries?

We recently interviewed Dr. Kevin Grazier, on of the scientist who has worked extensively on the Cassini mission. Here's what…

11 years ago