time

Who decides how long a second is?

On time and water

24 hours on Earth -- in one image

How to turn off work thoughts during your free time

Hawking's black hole paradox explained

Are we living in a simulation?

Einstein's twin paradox explained

Infinity according to Jorge Luis Borges

How a miniaturized atomic clock could revolutionize space exploration

How we experience time and memory through art

Does time exist?

Four billion years of evolution in six minutes

Where are all the aliens?

The most precious commodity of all?

How to gain control of your free time

The racial politics of time

Why do our bodies age?

The passing of time, caught in a single photo

Inside the mind of a master procrastinator

Clues to prehistoric times, found in blind cavefish

Insightful human portraits made from data

What makes a good life? Lessons from the longest study on happiness

¿Cómo podríamos viajar más rápido que la velocidad de la luz?

The fundamentals of space-time: Part 2

The discovery that could rewrite physics

Is our universe the only universe?

Science versus wonder?

The birth of a word

Distant time and the hint of a multiverse

The design of the universe

Questioning the universe

Aliens, love -- where are they?

Shedding light on dark matter

Is this our final century?