Denise Chow

A Canadian technology company designed a hard metal dive suit, called Exosuit, that enables divers to work underwater without worrying about decompression time.

Killer whale populations around the world may have suffered steep declines during the last Ice Age, when food for these top predators may have been scarce, a new study finds.

The northern lights dance across the sky, creating an ethereal glow that illuminates the darkness, in this jaw-dropping photo taken from Norway.

Adventurers with deep pockets can now explore the hidden depths of the ocean, thanks to a futuristic submarine that lets users "fly" underwater.

The DeepFlight Super Falcon, developed by Hawkes Ocean Technologies, is a two-seater submersible that enables passengers to "soar" underwater.

London is going all in with sustainable energy. The world's largest solar-powered bridge — spanning the River Thames — was unveiled Wednesday (Jan. 22) in the British metropolis.

The northeastern United States was hammered by a blustery storm yesterday (Jan. 21), leaving some places now buried under more than a foot of snow.

Giant wind turbines appear as white specks across the Thames Estuary in the United Kingdom, in this satellite photo of the London Array, the world's largest offshore wind farm.

A quarter of the world's sharks and rays are at risk of extinction, according to a new assessment by the International Union for Conservation of Nature (IUCN).

The pristine night sky — chock full of gleaming stars and awe-inspiring views of our Milky Way galaxy — comes to life in a magnificent time-lapse video shot from northern Chile.

When a falcon swoops through the air and spots a flock of birds, these crafty predators use a special aerial attack strategy to capture prey in midflight, according to a new study.

Lawmakers will gather here in Manhattan tomorrow (Jan. 16) to examine the effectiveness of New York State's regulations restricting the sale of ivory.