This video details a system of seven planets orbiting TRAPPIST-1, an ultra-cool dwarf star, a discovery of the Spitzer Space Telescope operated by NASA's Jet Propulsion Laboratory.
Scientists now say there are at least 2 trillion galaxies in the observable universe, more than 10 times previous estimates.
Astronomers have discovered evidence of a small, rocky planet orbiting our nearest star. Could Proxima b ever sustain life? The little planet orbits our sun’s nearest neighboring star, Proxima Centauri.
“The New Horizons mission is a stunning validation of not only astronomy and physics, but of science itself. ... No astrologer could have given us this information. Alchemy could not have powered the rockets so powerfully and precisely ... This will be remembered as an achievement of our species, of our civilization, and of the power of science.”
Stephen Colbert and Neil deGrasse Tyson riff, with scientific rigor and lots of humor, about the New Horizons findings, Pluto weirdness, and the demotion (or elevation?) of Pluto from planet to king of the Kuiper Belt.
300 years ago, on the 3rd of May 1715, a rare solar eclipse occurred over England. It was an opportunity too good to miss for those promoting new astronomical theories – and their own careers.
This International Women’s Day, celebrate Henrietta Leavitt, who took us beyond the stars and into the galaxies.
Although it was not programmable in the modern sense, some have called it the first analog computer.
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