Space "Look again at that dot. That's here. That's home. That's us." David Pescovitz

Science Watch a young Carl Sagan's first TV documentary, "The Violent Universe" (1969) David Pescovitz

Science Carl Sagan's Pale Blue Dot image is 30 years old today David Pescovitz

Science Solar sail test successful so far! David Pescovitz

Science Watch Carl Sagan's classic lecture series for kids and adults David Pescovitz

Science Happy birthday, Carl Sagan. Wish you were here. David Pescovitz

art Cool collaborative student animation of Sagan's "The Pale Blue Dot" speech Andrea James

Science Ann Druyan on the new Carl Sagan-narrated Apple commercial David Pescovitz

Science Animated interview with Carl Sagan about extraterrestrial life, Hollywood, and God David Pescovitz

science fiction Dyson Trees could make a home for humans—and other things Rob Beschizza

Science Source of famed Wow! signal likely found Gail Sherman

Space NASA simulation takes you into a black hole Gail Sherman

Entertainment SmartLess podcast, with Jason Bateman, Will Arnett, and Sean Hayes, going to SiriusXM for $100 million Ruben Bolling

Science Linda Salzman Sagan, co-creator of the Voyager Golden Record and Pioneer Plaque, RIP David Pescovitz

Science Atmosphere of exoplanet is found to be indicative of an ocean surface… and maybe, possibly life Ruben Bolling

science fiction Watch the first trailer for 3 Body Problem on Netflix Thom Dunn

Science Carl Sagan: How the circumference of the Earth was calculated using only sticks, eyes, feet, and brains Ruben Bolling

Environment Carl Sagan: a lovely and powerful new short film and automaton installation about the urgency of environmental action (video) David Pescovitz

Entertainment Voyagers is a forthcoming film about Carl Sagan and Ann Druyan's romance making the Voyager Golden Record David Pescovitz