NASA navigators are helping build a future where spacecraft could safely and autonomously fly themselves to destinations like the Moon and Mars. Navigators today tell a spacecraft where to go by calculating its position from Earth and sending the location data to space in […]

    Solar System Volcanoes Evidence of past volcanic activity has been found on most planets in our solar system and on many of their moons. Our own moon has vast areas covered with ancient lava flows. Mars has Olympus Mons and Tharsis Rise, the […]

    Some of the best views in the world are found at vantages around Arizona’s Grand Canyon. That includes the view looking up at night; the remote area has some of the darkest skies and shiniest stars in the whole world, and the International […]

  Evidence for the ancient, 1.2 billion years old, meteorite strike, was first discovered in 2008 near Ullapool, NW Scotland by scientists from Oxford and Aberdeen Universities. The thickness and extent of the debris deposit they found suggested the impact crater — made by a […]