Life
The forgotten riches of the most densely biodiverse country on Earth
Colombia is home to more birds, amphibians and butterflies than anywhere else. Human conflict preserved them – and in peace they now face new threats
Features
Earth
Don’t miss: Earth from space, asteroid workouts and nature’s giants
Culture
Life
We contain microbes so deeply weird they alter the very tree of life
Features
Environment
David Attenborough’s Our Planet on Netflix is beautiful but empty
Culture
Mind
It’s not an illusion, you have free will. It’s just not what you think
Features
Life
A chimp’s hug shows it’s time to accept that animals have feelings too
Culture
Health
Elizabeth Holmes: The hypnotic tale of the rise and fall of Theranos
Culture
Earth
Gaia rebooted: New version of idea explains how Earth evolved for life
Features
Technology
Handheld device could detect CRISPR bioweapons before they spread
News
Mind
How neuroscience is exploding the myth of male and female brains
Stereotypes of how biological sex influences ability and behaviour abound – but the latest research reveals a very different story, says Gina Rippon
Features
Life
How nature is evolving in the human age
Video
Life
Asking the biggest questions is the very essence of science
News
Life
Life’s secret ingredient: A radical theory of what makes things alive
Features
Life
Human or hybrid? The big debate over what a species really is
Features