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10.13.2017

50 years ago, on October 13, 1967, the second—the unit of time—was no longer defined by stars, but by atoms. In this quest for precision, scientists are now inventing the clocks of the future,...

Article
09.12.2017
In the 20 years since it left Earth for Saturn, the Cassini-Huygens mission has made remarkable discoveries, to the point of changing our entire understanding of the Solar System. Its spectacular end...
Opinion
07.03.2017
Schrödinger’s cat, a thought experiment in quantum mechanics, points to the possibility of parallel universes. Physicist Aurélien Barrau believes that one day, it will be possible to devise...
Article
06.09.2017
Cheaper than satellites, stratospheric balloons can carry telescopes up to altitudes of 40,000 meters, enabling researchers to observe the Universe. They recently completed a mission over Australia...
Video
03.29.2017

Sofia is a Boeing 747 like no other. Run by NASA and the DLR, the German space agency, this aircraft was specially modified to accommodate a telescope. Come on board with astrophysicist Olivier...

Article
02.22.2017
Seven Earth-sized planets have been detected orbiting Trappist-1, an ultra-cool dwarf star in our galactic neighborhood. Some of them appear to be potentially habitable. The latest results of this...