NASA defers decision on Mars Sample Return to the Trump administration
NASA Administrator Bill Nelson left a final decision on a new mission architecture to the next NASA administrator working ...
Carter's UFO hounded him for years. Few knew his expertise in astronomy.
Though Carter never claimed to have spotted aliens or a flying saucer — to him this was literally an unknown object in the air — people snickered and mistook his UFO sighting as such. Skeptics, who ...