I remember when Carl Sagan was asked if UFOs were a sign that we were being visited by an extraterrestrial civilization (“ The UFO Crowd Wants an Alien Invasion for Christmas ” by Holman ...

Over the holiday break, I read ‘The Demon-Haunted Book: Science as a Candle in the Dark’ by Carl Sagan. The book is not nearly as well-known as "Cosmos" but should be. It introduces the ...

This Is What a Martian Looks Like—According to Carl Sagan In 1967 the astronomer helped National Geographic draft an ideal version of the alien he longed to meet.

The Carl Sagan Institute released a new video to celebrate the 30th anniversary of the "Pale Blue Dot" photo.

In 1980, on the premiere episode of the PBS series “Cosmos,” astrophysicist Carl Sagan flew a “Ship of the Imagination,” transporting his viewers to a liberated vision of science.

Back in 1995, the Astronomer Carl Sagan made a prediction of what a future version of America would look like - and some people think it's disturbingly similar to the world today.

Did you know the famous astronomer campaigned for marijuana legalization? Read on for more little-known tidbits about Carl Sagan.

Astronomer-author Carl Sagan was one of 139 protesters arrested Tuesday as a thermonuclear warhead was detonated beneath the Nevada desert. The nonviolent demonstrators arrested by security guards … ...

A full-length mirror, some Pedialyte, plenty of Red Bull -- and a framed picture of astrophysicist Carl Sagan. [A fantastic idea Carl Sagan showed Johnny Carson in 1976 is about to become reality] ...

MME. GOULD DENIES FORMAL ENGAGEMENT; But Prince de Sagan Continues His Suit in Face of Family Opposition. THEY MEET AT THE ST. REGIS He Delivers an Impromptu Lecture on the Evils of the Nicotine ...