NASA scientists announced today that Enceladus, the sixth-largest moon of Saturn, has hydrothermal vents that are actively releasing hydrogen. Because such ecosystems are known to support life, the discovery confirms that Enceladus is a habitable environment.
The discovery means Enceladus is one of our best hopes for extraterrestrial life.
Saturn's moon Enceladus is only 300 miles wide—it would fit between New York City and Charlottesville, Va.
He might be the best basketball player you’ve never heard of, but hoops isn’t why you need to hear Johnny Neumann’s story of weed, women, rebellion and homework