Major 'State of the Planet' report out in advance of first Nobel Prize Summit

The biggest asteroid to visit Earth in 2021 zooms by our planet unusually fast today

Red Planet Bound by Evan Plant-Weir No, Mars is not a Hellhole

The Water on Mars Vanished. Mars once had rivers, lakes and seas. Although the planet is now desert dry, scientists say most of the water is still there, just locked up in rocks.