Browsing Tag
carl sagan
6 posts
Is it aliens? Why that’s the least important question about interstellar objects
Interstellar comet 3I/ATLAS, captured by NASA’s Hubble Space Telescope captured on July 21 2025. NASA, ESA, David Jewitt…
‘Extraordinary claims require extraordinary evidence’ − an astronomer explains how much evidence scientists need to claim discoveries like extraterrestrial life
The universe is filled with countless galaxies, stars and planets. Astronomers may find life one day, but they…
Carl Sagan’s scientific legacy extends far beyond ‘Cosmos’
Carl Sagan at his Cornell University laboratory in Ithaca, N.Y., in 1974. Santi Visalli, Inc./Archive Photos via Getty…
Carl Sagan detected life on Earth 30 years ago – here’s how his experiment is helping us search for alien species today
Earth and Moon as seen by the Galileo spacecraft from a distance of 6 million km away. NASA…
Wanderers
In this short film by Erik Wernquist, he shows a tantalizing glimpse into an imagined future for humanity,…
How Two Astronomers With Some Markers Linked Us To the Stars
A very spirited Carl Sagan once said in one of the episodes of his 1980 TV miniseries Cosmos:…