Hi, everyone, I'm Mwaksy. I'm Greg.Quick question, Greg. Yes. So, I know if I let drop this apple,it will fall because of gravity. Yes.Ooh! Good catch.But what exactly is gravity? Gravity is a ...

For decades, physicists have struggled to reconcile the principles of quantum mechanics with those of general relativity. While quantum mechanics governs the behaviour of particles at the smallest ...

Time has an arrow: It only ever seems to move in one direction. The future is always unknown to us, while the past forever remains locked and inaccessible. And yet, the vast majority of the laws ...

A new theory suggests that gravity could possibly be the result of entropy. If true, this would mean that everything in the universe would fall apart if it all remained unchanged. This theory ...

Antimatter — the mysterious substance that's the mirror opposite of matter in most ways — falls downward in gravity like everything else in the universe, a team of physicists reported ...

Pete Wilda, a Fairbanks reader of this column, wanted to know how the snow here can bend off railings and loop from power lines without breaking. He grew up in eastern Wisconsin and doesn’t ...

The study applied methods developed to explore Earth's atmosphere to quantitatively estimate the influence of gravity waves on Mars' planetary circulation.