Great! So, what's gravity? Aaaah, gravity is the force that makes objects fall towards the ground. And, without gravity, we'd all float! Hmmmm… You're right! The force of gravity is weaker on ...

Here is a problem which envisions an unfortunate astronaut stranded exactly half way between the earth and moon. What is the combined force of the earth and moon on it?

What would happen if we didn’t have gravity? Rockets need a lot of upward force to get off the ground. Can you think of other examples where objects need to overcome gravity? You can watch this ...

Legend has it that Isaac Newton had the moment of inspiration that would lead to his theory of gravity when, on a warm afternoon, he saw an apple fall from a tree and wondered why it should fall ...

This culminated in 2023, when this “New Force”-powered drive generated enough thrust to overcome Earth’s gravity. Is AI Actually a Form of Alien Intelligence? This Battery Has Practically ...

Gravity stretches out forever, but it’s not very strong. If protons and neutrons had to hang on to each other with gravity, ...