Web

Stephen Hawking's first-ever Reddit AMA now accepting questions

'Catloaf' is everything that's right with the Internet

Jet.com takes off, takes on Amazon

What to expect from the Pluto flyby today

J.K. Rowling defends Serena Williams against body-shamers

8 jaw-dropping photos from NASA's new image gallery

Are your passwords truly safe?

Cranky and unmotivated? Watch a cat video

Computers trained themselves to recognize cats (and what that tells us about how machines learn)

Discover the microbes that live in your cat

BBC's Your Life on Earth offers personal snapshot of a changing world

Does Facebook shelter people from different opinions?

SPONSORED