Arecibo Observatory, Puerto Rico - largest single dish radio telescope (or any other telescope, for that matter) on Earth
Radio telescope at the National Radio Astronomy Observatory in Green Bank, West Virginia. Photo taken in October 2005
Cleopatra’s Alexandria Amazing Underwater Cities. *Atlantis* ~An island country mentioned within an allegory on the hubris of nations in Plato's works Timaeus and Critias, where it represents the antagonist naval power that besieges "Ancient Athens
Not a Drill: SETI Is Investigating a Possible Extraterrestrial Signal From Deep Space
Radio telescopes of the Allen Telescope Array are seen in Hat Creek, Calif. in Ben Margot/AP/File
The screw moves the whole back to focus telescope.
Satellites and astronauts in orbit witnessed the tragic events of from their unique vantage points in space. These photos reveal what they saw.
Michio Kaku sees amazing things in our future, except for those scary robots
The popular physicist weighs in on climate change, Mars colonies, immortality, and more.
A celebration of the history of the manned space program, space exploration, and science. ***Disclaimer*** This page is not associated with NASA. I'm just a fan of the space program.
The World's Largest Telescope May Have Found a New Home
This 2011 file artist rendering was provided by Thirty Meter Telescope atop Mauna Kea
A radio telescope, part of the Very Large Array near Socorro, NewMexico