Dark matter can't be seen or detected by any of our instruments, so how do we know it really exists?…
If you've read your share of sci-fi, and I know you have, you've read stories about another Earth-sized planet orbiting…
Look at those astronauts, flying through space without a care in the world. But how can they be floating when…
We've come a long way in 13.8 billion years; but despite our impressively extensive understanding of the Universe, there are still…
Gravity's a funny thing. Not only does it tug away at you, me, planets, moons and stars, but it can…
Since my previous post was about dogs, its time to give equal time to the cats ... although I'm guessing…
Whoa, here's something to think about. Maybe the Universe isn't expanding at all. Maybe everything is actually just shrinking, so…
When someone mentions "different dimensions," we tend to think of things like parallel universes - alternate realities that exist parallel…
How about four supernovae for the price of one? Using the Hubble Space Telescope, Dr. Patrick Kelly of the University of…
A black hole is an extraordinarily massive, improbably dense knot of spacetime that makes a living swallowing or slinging away any morsel of energy…