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Former NASA astronaut Scott Kelly.

8 weird things that happen to your body if you live in space for a year like Scott Kelly

Astronaut Scott Kelly spent nearly a year in space. To study the effects on the human body, NASA compared him to his identical twin brother, Mark Kelly.
An illustration of NASA's Juno spacecraft flying above the clouds of Jupiter.

NASA’s $1 billion Jupiter probe has taken gorgeous new photos of the giant planet

NASA's Juno mission took its 11th trip around Jupiter in February, and the spacecraft has beamed back beautiful new images of the giant planet.
A NASA astronaut works outside the International Space Station.

Astronauts may soon have no way to reach NASA’s $100 billion space station

If by the end of 2019 Boeing and SpaceX can't meet NASA's strict requirements for flying astronauts, not even Russia may be able to help the US space agency.
An illustration of NASA's Juno spacecraft flying above the clouds of Jupiter.

NASA’s $1 billion Jupiter probe has taken mind-bending new photos of the gas giant

NASA's Juno mission took incredible new photos during its tenth trip around Jupiter. The planet's clouds look like swirling hallucinations in the images.

Elon Musk pitched Trump on SpaceX’s mission to colonize other planets

The SpaceX CEO was one of several tech titans who courted Trump in the early days of his administration, according to a new book by author Michael Wolff
An airplane flies through the shadow of the 2017 total solar eclipse.

The most mind-blowing space and astronomy pictures of 2017

Pictures from space remind us just how small, lucky, and plucky we are as human beings on a tiny rock that's floating through space.
SpaceX's three-booster Falcon Heavy rocket in a hangar at Cape Canaveral in December 2017.

Elon Musk has revealed new photos of the world’s most powerful rocket — but he says it may explode

If SpaceX's Falcon Heavy rocket launches in January, it will be the most powerful in the world. Elon Musk plans to test it by launching his car toward Mars.
An artist's depiction of the solar system.

NASA is about to announce the finalists of its next $1 billion space mission

Scientists have pitched 12 different missions, including probes to explore the moon, comets, Venus, and Saturn. Some will even seek out signs of alien life.
Trump reinstates the National Space Council on June 30, 2017 with astronaut Buzz Aldrin (R).

Trump wants to send humans back to the moon — here’s what his administration has done to spur space exploration so far

Trump has directed NASA to get a man back to the moon and eventually to Mars. Here's what he's done to spur space exploration since becoming president.

The ‘space kingdom’ Asgardia says it’s the first nation with all of its territory in orbit — but legal experts are dubious

Asgardia, a group that's trying to become the first country in space, claims its first satellite is all of its territory. But experts aren't so sure.