Mariana Trench contains 'startling' amounts of plastic

Elon Musk unveils Tesla's new fully electric semi truck (oh, and a new Roadster)

Meet Boston Dynamics' family of strange and amazing robots

Small worlds loom large in Nikon's photomicrography contest

How many people does it take to make a bridge wobble?

Bill Gates to build high-tech 25,000-acre city in the Arizona desert

GoPro takes a lava bath, keeps on shooting

The brain uses acid to keep unwanted thoughts and memories at bay

London to boot cars from its busiest shopping street

How sheep finally got the Faroe Islands on Google Street View

Eye-popping Icelandic crosswalk brings traffic to a crawl

Physicists discover frightening new fusion method that could create unfathomable bomb