Global Temperatures Briefly Crossed Critical Threshold For The First Time Last Week

See Two Giant Planets Mix It With The Moon: The Night Sky This Week

In 2031, the ISS will be de-orbited in a fiery inferno. After the ISS retires, the only station orbiting Earth will be China’s Tiangong — but NASA is barred from working with China or visiting the station under US law. NASA has been rapidly funding private companies to try to close the gap in time.

'Planet killer' asteroids are hiding in the sun's glare. Can we stop them in time?