Proposed colonists on Mars.

If You Want To Live On Mars, Be Prepared To Build Your Own Society

A settlement more than 60 million miles from Earth would have to sustain its own government and economy.



A doctor prepares to give a vaccination to a child at a hospital on Children's Immunization Publicity Day.WATCHLIST
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Measles Has Officially Been Eliminated In The Americas

A protester in Flint, MichiganWATCHLIST
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Latest Reason Congress Can't Fund The Government: Flint's Water Crisis

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Elon Musk Presents Transportation Plans For Colonizing Mars

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9 Out Of 10 People On Earth Are Breathing Polluted Air

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Venice Locals Are Dressing Like Pirates To Protest Cruise Ships

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This Scaly Animal Is The Most Trafficked Mammal In The World

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Relax — NASA Doesn't Care About Your Zodiac Sign

An animation of Mars.WATCHLIST

Elon Musk's Plan To Colonize Mars Starts With This Rocket Engine

An image of Europa, one of Jupiter's moons.WATCHLIST
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With Evidence This Close, NASA Has To Warn It Hasn't Found Aliens

Libertarian presidential candidate Gary Johnson speaks at a campaign event.WATCHLIST
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The Future Of Space Travel Is Strong With Gary Johnson

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India's In — Now, The Paris Climate Agreement Is Almost A Done Deal

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Here's Why Antibiotic Resistance Has Become A Problem

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The International Community Can't Agree On How To Save Elephants

A collage of China's Aperture Spherical Telescope, an ESA researcher, and space rocks on Mars.WATCHLIST

Top 3 Groups Trying To Convince Us That Aliens Exist

Chinese astronauts wave before boarding their spacecraft.WATCHLIST
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Why The US And Russia Can Share A Space Station — But China Can't

A Caspian tern, which is a type of seabirdWATCHLIST
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Terns In Alaska Show The Effects Of Climate Change At Work

Earth as seen from more than 40,000 miles away by NASA's Messenger spacecraftWATCHLIST

How Will Mars Crews Cope With Watching Earth Fade Into The Distance?

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One Of North America's Best Pollinators Could Be Disappearing

Hillary ClintonWATCHLIST
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A Doctor's Note Won't Stop Speculation About Clinton's Health

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Fracking Makes The Ground Swell, And Knowing That Might Make It Safer

A Mars landscape is seen in a picture taken by the panoramic camera on the Mars Exploration Rover Spirit January 8, 2003.WATCHLIST
Getty Images / NASA / Jet Propulsion Laboratory / Cornell University

Congress Could Make A Manned Mission To Mars Mandatory

Breakthrough Prize Founders Priscilla Chan and Mark Zuckerberg (R) attend the Breakthrough Prize Awards.WATCHLIST
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Mark Zuckerberg And Priscilla Chan Want To Cure Every Single Disease

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Excess Levels Of Dangerous Chemical Found In Tap Water Across US

The Ein Gedi scroll.WATCHLIST
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The Delicate Science Of Reading Ancient Scrolls That Can't Be Opened

An artist's illustration of the Tiangong-1 space station.WATCHLIST
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Chinese Officials Aren't Sure Where Their Falling Spacecraft Will Land

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Smoking Can Cause Damage To Your DNA, Even Years After You Quit

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Cat-Scratch Disease Is Putting More Infected People In The Hospital

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The FDA Wants To Create An App That Could Save Opioid Users' Lives

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Science Says The 5-Second Rule Is As Disgusting As We All Thought

President Barack Obama waves after speaking at a summit on drug abuse.WATCHLIST
Getty Images / Jessica McGowan

Obama Makes Fighting Drug Abuse A Top Priority For His Last Months