What if the moon and planets were closer to Earth? That's what Nick Holmes decided to find out. Holmes, AKA "yeti dynamics" on YouTube, animated these 3D models. He is an amateur astronomer and is ...

The asteroid that once had a small chance of striking Earth and now might slam into the moon resembles a spinning hockey puck ...

A simple animation created by planetary scientist James O'Donoghue puts the whole thing in perspective. "People often talk about how we are standing on a ball (Earth) which rotates at great speed ...