It's sort of like that time the whole family said goodbye to Great-Uncle Fred only to have him show up at Christmas dinner two weeks later, wheeling an oxygen cart.
Zoom out and it's easy to see how quickly we're changing the world.
GOES-R will teach us a lot about extreme weather and our changing climate.
Yet another reason 2016 is not a normal year.
Now he's back, just in time to let us know how much we have to do.
Deja vu, all over again.
Behold: an ice sheet's collapse.
The devil's beans may be less susceptible to climate change than we'd thought.
That doesn't mean it will take another 1,000 years to see a storm like it.