Body parts grown in the lab
In recent years, scientists have successfully grown a range of miniature organs and human body parts in the lab.
Countdowns
Latest
20 of the best named animal species on Earth, from Boops boop to Agra vation
From cave-dwelling creatures to weird-looking animals this countdown covers animals with the wittiest names.
6 species that scientists got wrong
The definition of a species is surprisingly unsettled, and the classifications of some of the best-known animals have come under scrutiny.
12 old shoes found in archaeological excavations from around the world
Shoes can give us an interesting insight into what people used to wear. Here are a dozen of the most extraordinary finds from the archaeological record.
NASA's most wanted: The 5 most dangerous asteroids to Earth
What is the most dangerous asteroid, how probable is an impact, and how much destructive power would a collision with Earth have? Here are 5 big space rocks that NASA is watching closely.
32 sci-fi technology predictions that came true
From flying cars and railguns to smartphones and jetpacks — what was once sci-fi can now be found in the real world.
32 times artificial intelligence got it catastrophically wrong
From chatbots giving truly terrible medical advice to facial recognition software incorrectly flagging members of congress as criminals, here are some of the most catastrophic mistakes artificial intelligence has ever made.
5 space discoveries that scientists are struggling to explain
From "runaway" black holes shooting across the cosmos to secret planets in our own backyard, space is overrun with mysterious objects that scientists are clamoring to explain. Here are five of the strangest sights in the universe, as well as their possible origins.
8 strange objects that could be hiding in the outer solar system
The outer solar system is a vast and mysterious place that could be harboring hidden objects we know almost nothing about — from the elusive Planet Nine and baby black holes to interstellar visitors and "planet killer" asteroids.
12 of the biggest birds on Earth
Reference From 9-foot tall ostriches to albatrosses with gargantuan wingspans, here are some of the biggest birds in the world.
32 haunting shipwrecks from the ancient world
Shipwrecks can reveal information about traded goods and even which rituals people partook in centuries ago. Here's a look at shipwrecks from ancient times found around the world.
32 optical illusions and why they trick your brain
Artists and scientists have been creating optical illusions for centuries. Here are 32 mind-bending examples that prove you can't always trust what your eyes are telling you.
32 stunning photos of auroras seen from space
Auroras (also called the northern and southern lights) are visible from the ground after powerful solar storms, but these natural light shows look even more majestic from above. Here are 32 spectacular photos of auroras taken from space.
22 jobs artificial general intelligence (AGI) may replace — and 10 jobs it could create
Artificial Intelligence (AI) is set to improve the world for many — but others may lose out.
32 scary parasitic diseases
Parasites can cause a wide range of diseases in humans, ranging from short-term to lifelong.
32 strange places scientists are looking for aliens
From planets and moons in our solar system to dying stars and parallel universes, here are some of the far-out places scientists are searching for alien life.
32 of the most colorful birds on Earth
Birds are some of the most colorful animals on Earth, with a palette of rainbow tones to feast your eyes on. Here are our picks for some of our most flamboyant feathered friends.
32 weird technologies that never took off
We've seen many big hitters capture our imagination, alongside a handful of oddities and misfits that were less successful.
32 times lasers revealed hidden forts and settlements from centuries ago
Lasers have helped uncover ancient human-made structures the world over.
