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From the archives: Inside the U.S. Army’s plan to build a luxurious city under the Arctic
Featured in observatory
The Science Bucket List: Learn To Be An Amateur Astronomer
How a simple, but effective telescope works
Cyberattack Takes Down Controversial Mauna Kea Telescope Website
An Anonymous-affiliated group claims responsibility
Big Pic: The Last Radio Antenna Arrives At Chile’s Massive ALMA Telescope
The last in a set of 66 radio antennas has been delivered to the ambitious observatory in Chile's Atacama desert, more than 16,000 feet above sea level.
Inside The Most Ambitious Ground Telescope Ever Built
The Atacama Large Millimeter/submillimeter Array (ALMA) telescope has already made some impressive discoveries, with more on the horizon.
The Sharpest Photos Of Space Ever
With a new camera system, astronomers are seeing the universe in super high-resolution.
Which Continent to Put the Largest Radio Telescope On? Why Not Share It
Splitting the world’s largest radio telescope across half the Earth could resolve an international quarrel that is brewing between two...
A Global Astronomy Social Network To Let Amateurs Peep Through Robotic Telescopes
Anyone can look through one of the world's most powerful telescopes--from anywhere
A New Image of the Cat’s Paw Nebula, Star Nursery to the Milky Way
It would be adorable if it weren’t so massive, hot and violent: the ESO has just released this brilliant new...
First Antenna Trucked Into the Chilean Andes For World’s Largest Observatory
A 100-ton antenna has arrived at a plateau in the Chilean Andes as the first piece of the world’s largest...
