On November 16, 1974, humans sent their first message to the stars in an attempt to contact extraterrestrials. They did this using what was then the largest radio telescope in the world, located at ...

Someday, somewhere in the universe, a being may encounter one of NASA’s Voyagers, the robotic interstellar probes sent to space during the summer of 1977. If and when they do, they will find an ...

Forget buzzy actors or huge franchises. The movies this summer belong to one surprising star: Carl Sagan. Elio and Glordon explore the Communiverse in "Elio." Elio and Glordon explore the Communiverse ...

Scientists found that colorful pigments in Earth’s cloud microbes may help telescopes identify signs of life on distant planets.

In her first book, For Small Creatures Such as We, author Sasha Sagan explores the significance of ritual in an unpredictable universe. Apple Uses Carl Sagan And Beautiful Images To Rebuke Trump’s ...

Carl Sagan. Astronomer. Astrophysicist. Cosmologist. Writer. Great guy. Personal hero. He was born November 9, 1934. Happy Birthday, Dr. Sagan—we miss you. We need more people like you on the planet.