Where our supply of helium-3, a rare form of the element, came from is much debated. A new model takes a second look at an older and controversial theory. ...read more
The world's most powerful telescope, now orbiting space, will offer new tools to address the timeless question about life in the universe: Are we alone on Earth? ...read more
Will gardeners of the future bribe bees and butterflies with homemade, saltwater solutions? Plants could already be employing the same technique. ...read more