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NASA's International Space Station to Open to Visitors

By Jasmine Aguilera

SpaceX: Japanese Billionaire Will Be First Space Tourist

By Casey Quackenbush

A Year in Space and Now His DNA Differs From His Twin

By Flora Carr

American Just Took on Russia in the First Sporting Event in Space

By Emily Price
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Scientists Discover Massive Ice Sheets on Mars

The water they contain could be a useful resource for future astronauts

By Casey Quackenbush

Elon Musk Wants to Colonize Mars by 2024

"Dawn and dusk sky are blue on Mars and day sky is red"

By Kate Samuelson

Apollo 10, a Mission That Almost Ended in Catastrophe

How did this tin can spacecraft survive a near-fatal crisis?

By Jeffrey Kluger

NASA Reveals New Discoveries to Help in Search for Life in Space: Watch Online

The briefing will be held at the NASA headquarters in Washington, D.C., Thursday at 2 p.m. EDT

By Zamira Rahim

Watch Live: Astronauts Take a Spacewalk at the International Space Station

The spacewalk is planned to last for over six hours

By Zamira Rahim

The Great Space Poop Challenge: Why NASA Needs You

"It isn't glamorous, but it is necessary for survival"

By Dominique Rowe

How Even a Failed Mars Landing Humanizes Us All

Win or lose, space brings us together

By Jeffrey Kluger

Watch Live: Launch of the Latest ISS Crew

The mission had been delayed for three weeks because of a short circuit

By Kevin Lui

Farewell to Rosetta as Spacecraft Crash Lands into Comet

Rosetta will make a controlled, low velocity crash into Comet 67P around 7:30 a.m. ET

By Feliz Solomon

Stephen Hawking Says The Human Race Has No Future If It Doesn't Go To Space

The physicist believes this world could be destroyed by nuclear war or a man-made virus

By Kate Samuelson

How Humans Will Get to Deep Space

These are today's best ideas

By The Aspen Institute

Amazon CEO Jeff Bezos' New Rocket Outsizes SpaceX

But it's less powerful

By Michal Addady

Vivid Photo Shows Successful Launch and Land of a SpaceX Rocket

The landing was the second time SpaceX successfully landed a rocket on land

By Maya Rhodan

A Private Company Might Be Allowed Into Outer Space as Soon as Next Year

Little-known startup Moon Express might be the first company allowed beyond Earth’s orbit

By Valentina Zarya / Fortune

Inside the Plan to Send Tiny Probes to Explore Far-away Stars

New technology would use lasers to help a small device travel near the speed of light

By Cubie King and Justin Worland

SpaceX Successfully Lands Rocket on Drone Ship, Sends Cargo To Space Station

The landing is another milestone for the company.

By TIME Staff
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