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Time: The Ultimate Guide | Physics

Why you age slower on a plane

Travelling into a black hole would do strange things to time (Credit: Edouard Taufenbach/Bastien Pourtout)

Editor's Picks

Redwoods store more aboveground carbon than any forest on Earth

Bringing back the forest giants

By John Reid

Helping care for his pet chickens gives Sammy Latham (8) a connection to nature (Credit: Katherine Latham)

Sustainability on a Shoestring

How I reduced my pets' carbon paw print

By Katherine Latham

Illustration of people standing looking at a clock (Credit: Edouard Taufenbach and Bastien Pourtout)

Time: The Ultimate Guide

How clocks have shaped civilisation

By Rebecca Struthers

Once upon a time, time began – so what will happen when it ends? (Credit: Edouard Taufenbach/Bastien Pourtout)

Time: The Ultimate Guide

The cosmic event that started time

By Michael Marshall

Pickles in jars (Credit: Getty Images)

Can processed food be good for you?

By Jessica Brown

Earth

Illustration of a turtle and wind turbines (Credit: BBC)

Sign up to our new climate newsletter

By Carl Nasman

Sea sponge farming is offering a lifeline to single mothers and divorced women in Zanzibar (Credit: Lauraclara Cosmas)

How sponges help Zanzibar women

By Kizito Makoye

The photo of Jane Goodall with infant chimp Flint challenged scientific norms and changed our view of the animal kingdom (Credit: Hugo van Lawick)

How a photo changed our view of chimps

By Anna Turns

A goat eating brush in parkland near West Sacramento, California (Credit: City of West Sacramento)

The goats fighting fires in LA

By Lucy Sherriff

Time: The Ultimate Guide

1

Time travel: What if you met your future self?

Time: The Ultimate Guide

2

The invisible dangers of travelling through time

Time: The Ultimate Guide

3

Is time travel really possible? Here's what physics says

Science of Fitness

4

Why walking backwards can be good for your health and brain

Time: The Ultimate Guide

5

11 mind-boggling facts about time

The Lost Index

6

The 420-year-search for Shakespeare's lost play

Future Planet

7

How Africa's first heat officer is protecting women in Sierra Leone

Green Tech

8

Batteries of the future: How cotton and seawater might power our devices

Artificial intelligence

9

AI safety: How close is global regulation of artificial intelligence really?