Guide to Space
How Will Aliens Find Us?
Trying to keep a low profile, to prevent the aliens from invading? Bad news. Life has actually been broadcasting our…
Why Is This A Special Time For The Universe?
You might be surprised to know that you're living in a very special time in the Universe. And in the…
How Do You Kill a Black Hole?
Black holes want to absorb all matter and energy in the Universe. It's just a matter of time. So what…
Who Discovered Electricity?
Electricity is a form of energy and it occurs in nature, so it was not “invented.” As to who discovered…
Can Moons Have Moons?
The Earth has a single moon, while Saturn has more than 60, with new moons being discovered all the time.…
Could Jupiter Become A Star?
NASA’s Galileo spacecraft arrived at Jupiter on December 7, 1995, and proceeded to study the giant planet for almost 8…
Why Europa?
Forget Mars, the place we really want to go looking for life is Jupiter's moon Europa. Dr. Mike Brown, a…
Where is Earth Located?
You've probably heard the saying “everything’s relative”. When you consider our place in the Universe, everything really is relative. I’m…
How Fast Do Black Holes Spin?
There is nothing in the Universe more awe inspiring or mysterious than a black hole. Because of their massive gravity…
What are Hot Jupiters?
When astronomers first discovered other planets, they were completely unlike anything we've ever found in the Solar System. These first…