Mathieu Goussin and Hortense Le Calvez's photographs look like jellyfish, kelp, and anemones, but they're actually just piles of debris.
Mayor Boris Johnson has announced that the city will be spending a whopping $1.51 billion on better bike infrastructure.
A feeder mouse in a Chinese zoo jumped on a snake's head and bit it as it ate another mouse. Would you have done the same, if you were a mouse?
As part of the build, she's learning about physics, math, design, and engineering. But she's also figuring out what she really needs to live a happy, sustainable life.
Hey, we all liked to play with our food at one point in our lives.
A mysterious new microbe has been found in Antarctica's Lake Vostok. It is less than 86 percent like anything we've ever seen before.
A reader writes from the edge of despair. Umbra urges her not to jump.
Fighting climate change also means fighting for women's safety and equality.
Attempts at turning a desert into a greenhouse have serious consequences for Mediterranean sea life.