The shocking decline of Earth’s microbiome – and how to save it

How to watch the launch of Europe's JUICE mission to Jupiter on April 13

On this day in 1961, Soviet cosmonaut Yuri Gagarin became the first human to venture to space. At 9:07 A.M. Moscow Time, his rocket (a converted R-7 intercontinental ballistic missile) roared to life before climbing toward the heavens. “Poyekhali!” Gagarin shrieked, which translates to "Let's go!"

Newfound asteroid is a long-term 'quasi-moon' of Earth