Carl Sagan
29 Habitable Alien Worlds Could Detect Life on Earth, Scientists Estimate
Scientists analyzed how many planets in other solar systems could detect Earth both 5,000 years into the past and 5,000 years into the future.
A Broken Cable Has Wrecked One of Earth's Largest Radio Telescopes
The cable tore a 100-foot hole in the gargantuan dish in Puerto Rico, which was featured in Carl Sagan's novel 'Contact' and the James Bond film 'GoldenEye.'
Trump Admin Secretly Shipped Plutonium to Nevada and State Officials Are 'Outraged'
“They lied to the State of Nevada, misled a federal court, and jeopardized the safety of Nevada’s families and environment,” Governor Sisolak said.
Sorry Elon: NASA Says Mars Can’t Be Terraformed With Existing Technology
Elon Musk once suggested nuking the Martian poles to terraform the Red Planet, but NASA research shows why this would definitely not work.
A Brief History of Dinosaurs in Space
From 'Star Trek' to 'Dinosaucers,' exodinosaurs have held a mirror to humanity's hopes and anxieties.
This Artist's Designs Aim to Keep Future Humans Away from Nuclear Waste
On today's episode, we talk to Jon Lomberg, a longtime friend, and colleague of Carl Sagan, on protecting future humans from America's atomic past.
The Man Who Helped Design a 10,000-Year Nuclear Waste Site Marker
Astro-artist Jon Lomberg, a longtime friend and colleague of Carl Sagan, on protecting future humans from America’s atomic past.
Bill Nye Drinks Wine with a Climate Change Denier in the Trailer for His Doc
The upcoming film 'Bill Nye: Science Guy' will hit theaters later this year.
Usnea's Impossibly Heavy New Doom Metal Album Is a Sci-Fi Odyssey
Stream the Portland extreme doom outfit's politically-charged, Margaret Atwood-inspired new album for Relapse Records.
The Anthropocene Will Help Astrobiologists Understand Alien Worlds
Researchers propose a new alternative to the Kardashev Scale.
You Are Part Extragalactic, Study Says
Supercomputer simulations of galaxy evolution estimate how much of the Milky Way was born beyond its borders.
Radioactive Cats and Nuclear Priests: How to Warn the Future About Toxic Waste
Nuclear waste can remain toxic for tens of thousands of years. How do you warn the future that they’re standing on nuclear waste when there’s no one around to translate?