Carl Sagan


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.
Becky Ferreira
Life on Mars?

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.
Daniel Oberhaus
life finds a way

A Brief History of Dinosaurs in Space

From 'Star Trek' to 'Dinosaucers,' exodinosaurs have held a mirror to humanity's hopes and anxieties.
Becky Ferreira
warning signs

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.
Samuel Gilbert

The Anthropocene Will Help Astrobiologists Understand Alien Worlds

Researchers propose a new alternative to the Kardashev Scale.
Daniel Oberhaus
whoa, dude!

You Are Part Extragalactic, Study Says

Supercomputer simulations of galaxy evolution estimate how much of the Milky Way was born beyond its borders.
Becky Ferreira
Power VR

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?
Daniel Oberhaus

High School Students Are Building Their Own VR-Equipped Spaceship

Even Taylor Swift wants to get in on the ground floor of this CubeSat.
Becky Ferreira
Motherboard Blog

In Long-Lost Radio Interview, Carl Sagan Talks Aliens and Religion

“We’re in the galactic boondocks.”
Sarah Emerson

Carl Sagan’s Dream of a Martian Microphone May Finally Be Real

Members of NASA’s Mars 2020 SuperCam team will soon make the case for recording the sounds of the Red Planet.
Amy Thompson

These Could Be The First Things Aliens Hear From Earth

Listen to the smooth sounds of ancient Akkadian from humanity's time capsule.
Alix Jean-Pharuns
New York

The Four Best Suspects for Life in Our Solar System

Mars and Europa are givens, but the other two may surprise you.
Becky Ferreira