With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself ...

Think of the largest elephant you can. Now multiply that by 30. That’s the size of a blue whale, the largest animal to exist, ever. The ocean-going mammals weigh up to 330,000 pounds and can stretch ...

What if consciousness isn’t limited to brains like ours? Philosophers Eric Schwitzgebel and Jeremy Pober argue that ...

And if aliens made of different stuff potentially possess consciousness, then why not minds made of silicon, metal, and ...

The Mariana Trench drops nearly 36,000 feet beneath the Pacific, deep enough to swallow Mount Everest and keep going. When ...

Most of us are fascinated to learn about the animals that used to walk the earth but unfortunately we have precious little to go on. Most prehistoric animals only leave behind fossils and although we ...

Islands are already famous for strange wildlife, but their cave systems take isolation to another level. Cut off from sunlight, predators, and sometimes even the open ocean, these underground ...

Add Yahoo as a preferred source to see more of our stories on Google. Just a blue whale's tongue weighs as much as an adult elephant. But what caused blue whales to grow to such an extraordinary size?

With 'Disclosure Day,' the director returns to a longtime preoccupation. Two Times staffers explore his ongoing fascination with extraterrestrials.

Sea stars can produce eggs for up to 200 years. Their surprisingly human-like ovaries may offer clues about fertility and reproductive aging.

Scientists describe a baseball bat-size scorpion — the world’s largest — and suggest that the 400 million-year-old creature ...

The original "Star Trek" aired over half a century ago, and Stacker has boldly gone and compiled the 25 best episodes, ...