Nearly a dozen new illnesses have been reported in just the last week, frustrating health officials.

The Trump administration thinks the next frontier is the moon—but Kelly doesn’t agree.

‘Bring back our #ChildhoodDiseases,’ wrote the former Fox News executive’s wife, ‘they keep you healthy & fight cancer.’ Surprise: she’s dangerously wrong.

A new app lets you see what the heat and rainfall will be like in your city in 2080 in a worst-case scenario, and what they’ll be like if we reduce emissions.

Oh, and he also said germs aren’t real because you can’t see them. We hope he was joking.

“Solar panels are great, but we should be hearing about trucks, cement, and cow farts too,” Gates wrote.

The race for the cure to aging sparks hope, and hype, among top scientists— plus billions of dollars of investment.