The world’s largest radio telescope

The Atacama Large Millimeter Array, located in the Atacama Desert, is the product of a 20-year global effort by Europe, North America, and East Asia. With its 66 antennas sitting 16,400 feet above sea level, ALMA gives us an incredible view of the universe. (2:43)

Latest Videos

Preview thumbnail for video'Star Trek’s Nichelle Nichols on Lt. Uhura’s Impact
Star Trek’s Nichelle Nichols on Lt. Uhura’s Impact (4:05)
Preview thumbnail for video'Speed Kills
Speed Kills (2:29)
Preview thumbnail for video'It’s raining dummies!
It’s raining dummies! (1:56)
Preview thumbnail for video'9/11: Stories in Fragments
9/11: Stories in Fragments (2:09)
Preview thumbnail for video'The surprising reason birds first grew feathers
The surprising reason birds first grew feathers (2:31)
Preview thumbnail for video'A Black Hawk rescue mission in peril
A Black Hawk rescue mission in peril (2:14)
Preview thumbnail for video'How the largest bird of all time stayed airborne
How the largest bird of all time stayed airborne (3:55)
Preview thumbnail for video'The birthplace of the atomic bomb
The birthplace of the atomic bomb (2:24)
Preview thumbnail for video'The tremendous fallout from the IFO-21 air crash
The tremendous fallout from the IFO-21 air crash (2:43)