IE 11 is not supported. For an optimal experience visit our site on another browser.
  • Carbon-scrubbing crops could help offset air pollution

    02:59
  • Harvard professor uses AI to replicate himself for tutor experiment

    03:15
  • SpaceX launches Fram2 mission over Earth’s poles

    01:45
  • Up close with world’s first 'Woolly Mice'

    01:56
  • NASA’s SPHEREx, PUNCH missions launch on Falcon 9 rocket

    01:41
  • Stand up for Science rallies protesting Trump cuts held across U.S.

    01:37
  • Butterfly population declining at 'catastrophic' rate, research says

    02:27
  • SpaceX loses Starship spaceship during test flight

    00:58
  • Parade of planets: Where is the best place to see them?

    01:26
  • Lunar lander launches to the moon on SpaceX rocket

    01:48
  • Now Playing

    Atomic scientists push ‘Doomsday Clock’ to 89 seconds to midnight

    00:55
  • UP NEXT

    Colorado Bureau of Investigation analyst admits manipulating DNA evidence

    01:40
  • New York man finds complete mastodon jaw in backyard

    01:49
  • European satellites launched to create artificial solar eclipses

    04:48
  • 'Mind-reading' headphones track user's brain signals

    03:15
  • NASA astronauts undock from space station after weeks of delay

    01:10
  • NFL rolls out new helmets to protect players from violent hits

    02:30
  • SpaceX’s Starship rocket booster successfully returns to launch tower's arms

    00:59
  • Bill Nye explains how climate change is impacting Hurricane Milton

    06:26
  • SpaceX launched to space to bring back stranded astronauts

    01:53

Atomic scientists push ‘Doomsday Clock’ to 89 seconds to midnight

00:55

The Bulletin of the Atomic Scientists set the Doomsday Clock to 89 seconds to midnight, one second more than the last two years, attributed to threats posed by climate change and artificial intelligence. The clock is a symbolic indication of humanity’s perceived proximity to human-caused catastrophe.