Time dilation means two observers may experience the same events years apart, revealing there is no universal “now.” ...

Falling into a black hole causes time dilation, infinite visual copies, and eventual destruction at the singularity, with ...

Another interesting consequence of relativity is that as time stretches out at high speeds, distances diminish. It’s hard to ...

Centuries before anyone pointed a telescope at the sky, Isaac Newton figured out how gravity works. He showed that any object ...

Some time travel movies totally miss the mark and create plot holes, while others get the science absolutely right.

Intense gravitational lensing means you’d be able to see much more of a neutron star standing on its surface than you would ...