A shark has been captured swimming only metres away from beachgoers at one of Sydney’s most popular swim spots.

Those heading into the waters of one of Cairngorms National Park’s gems Loch Vaa - or should that be Loch V-aaaaahhhhhhh - be ...

Dry and windy conditions combined with sweltering temperatures tipped to hit 45 degrees in some areas have created the threat ...

A quick splash, a sleek fin cutting through the surface, and then—gone. Dolphins don’t perform on cue, but when you spot one, even for a moment, it truly does make the ocean feel alive. Some places ...

Road trips between the notoriously narrow country's Pacific and Caribbean coasts, reveal secret villages, untouched isles, ...

Every animal with a brain needs sleep — and even a few without a brain do, too. Humans sleep, birds sleep, whales sleep and even jellyfish sleep.

You can no longer believe your eyes or ears—and they’ll probably come for the rest of your senses soon. Already, some studies ...

Animals that navigate extreme conditions and environments have evolved to sleep in extreme ways. For a long time, scientists ...

When animals nod off, they're most vulnerable to sneaky predators. But despite the risks, the need for sleep is so strong ...

From napping half their brain while flying to taking four-second naps to survive parenthood, these animals have evolved ...