Universe isn’t expanding into anything. But what if we’re living in a vast multiverse, and our Universe is bumping up against other universes?
Black holes are pretty dangerous, so it’s a good idea to keep an idea on where all the nearby ones are. How close is the closest one, anyway?
Bad news, our Sun is living on borrowed time. It’s only got a few billion years left. How Can We Save The Sun? Saving the Sun from Running Out of Fuel.
You know what would be exciting? Finding life on Mars. What is the best evidence we’ve seen for life on the Red Planet?
The Sun uses its enormous mass to crush hydrogen into fusion, releasing enormous energy. How long will it be until we’ve got this energy source for Earth?
It’s a mystery that’s puzzled astronomers for years. Which came first, supermassive black holes or the galaxies that surround them?
In ancient times, astronomers and philosophers thought that the Earth was the center of the Universe. We know that’s wrong, but is there anything special about where we live?
We hear about discoveries of exoplanets every day. So how long will it take us to find another planet like Earth?