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The Sciences

How to Build Aliens in the Lab

Europa - NASA

The Briny Deeps of Europa Brim With Table Salt

Mars Lander - SpaceX

Mars Doesn't Need Our Microbes: How to Keep the Red Planet Pristine

rover in Earth desert

Earthbound NASA Rover Uncovers Clues to Finding Life on Mars

Giuseppe Cocconi - CERN

The Secret Origins of the Search for Extraterrestrial Intelligence

Give the gift of citizen science this year!

rogue planet

These Two New 'Rogue Planets' Wander the Cosmos Without Stars

Barnard's star b

Maybe Next Time: Barnard’s Star B is Likely Uninhabitable

Oumuamua - NASA

Alien Space Rock 'Oumuamua Just Keeps Getting Weirder

hellas planitia

Temporary Lakes Once Filled and Refilled Across Mars' Surface

a telescope array at night - SETI

The Drake Equation: What Are the Odds That Aliens Exist?

(Credit: Theo Cobb)

The Order of the Dolphin: SETI’s Secret Origin Story

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extraterrestrial life