Solar Orbiter Caught Venus, Earth and Mars in One of its Photos

'Resident Alien' on Syfy reinvents the classic 'alien-crash-lands-on Earth'-tale

New evidence for multiple ice ages on Mars. Earth has had at least 5 major ice ages. Now it appears Mars – the next planet outward from the sun – has undergone anywhere from half a dozen to 20 ice ages in the past several hundred million years.

NASA probe leaving asteroid Bennu in May to deliver samples to Earth