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3mins
If humans contacted aliens, the astrobiologist would be the man in charge of sending the first message. So what would he say?
4mins
OK, Paul Davies admits it’s a “crazy idea.” But if we want to improve our search for ET, it’s the kind of idea we might need.
4mins
Good luck finding intelligent life within 1,000 light years. As for super-advanced alien civilizations, they’re probably closer to the center of the galaxy.
6mins
If we want to test the idea that life forms easily in Earthlike conditions, why not search for organisms outside our tree of life—right here on Earth?
4mins
“There’s no lack of real estate” where life might spring up in the universe. So why has our search for ET turned up nothing?
3mins
The theory that life on our planet originated on Mars was originally dismissed as a “crackpot notion.” It’s now considered a distinct possibility.
43mins
A conversation with the Arizona State University cosmologist and astrobiologist.
2mins
The information revolution may turn everyday people into ocean conservationists.
7mins
As the oil spill continues to plague the Gulf, the deep-sea explorer makes a passionate case for saving ocean life.
3mins
You may like the taste, but is your dinner worth its cost to our ecosystem?
4mins
Some sea life may think, sense and feel in ways that are beyond our comprehension.
3mins
Sharks are scary, but an ecosystem without them is even scarier.
6mins
Sylvia Earle describes an intimate encounter with a 40-foot-long humpback whale.
5mins
The ocean’s depths are home to organisms that have been around for nearly half a billion years.
4mins
Forget sharks and predatory animals—the most dangerous aspect of diving is oxygen.
3mins
A young Sylvia Earle realized that some sea creatures were as interested in her as she was in them.
3mins
97% of Earth’s water is ocean. Without the ocean, Earth would be much like Mars: a bleak, barren, inhospitable place.
43mins
A conversation with the oceanographer and founder of Mission Blue.
9mins
The travel columnist would live in either Queens or Ho Chi Minh City if he had to stay put for 10 years.
6mins
When you walk long distances, you see places that no one else has seen.