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5:06
The climate has changed on a schedule for millennia. Have humans broken the climate clock?
1:20
Ecologist Stephen Pacala says a climate change conspiracy is impossible.
2:02
Faith and climate science are not at odds, says evangelical meteorologist Paul Douglas.
3:18
This Lumberton, Texas resident witnessed the destruction of Hurricane Harvey.
2:59
With an onboard camera, "the prey drone" excels at filming the peregrine falcon.
15:46
Watch an uncut interview with the late astronaut, conducted at NASA in 1984.
4:40
NASA’s Kepler mission lets us search for planets orbiting stars outside our solar system.
