If you're going to Mars you'd best take along a jar of anti-aging cream because while you're there you're going to age faster ...

"A three-body problem is extremely complicated. Now we're dealing with four: the sun, Earth, the moon and Mars. The heavy ...

This temporal lag is a direct consequence of Albert Einstein’s Theory of General Relativity. The rule is simple: the weaker ...

Standing in the elevator of a towering skyscraper, you might wonder if your journey upward changes more than just your view.

Neil deGrasse Tyson explains what would happen if you fell into a black hole, exploring extreme gravity, time dilation, and the mind-bending physics of the universe’s most mysterious objects.

This means that, due to time dilation, you would age faster on Mars than on Earth. If you were to spend a whole 50 years on the Red Planet, you’d end up a whole 9 seconds older than if you had stayed ...

We don’t often think about gravity, the invisible force that anchors us to Earth, as it always seems constant and dependable. However, it will slightly vary, sometimes by enough to make you weigh ...

Optical lattice clocks are devices that measure the passing of time via the frequency of light that is absorbed or emitted by ...

Astrophysicists in New York have created terrifying simulations of how black holes naturally create dazzling displays ...

Scientists may have found the first hints of primordial black holes, born in the very first seconds of the Big Bang.

Last Word is New Scientist’s long-running series in which readers give scientific answers to each other’s questions, ranging ...