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Astronaut Chris Hadfield in 2014.

Astronaut Chris Hadfield says we could have gone to Mars decades ago — here’s why we haven’t

Chris Hadfield, a former astronaut, says the rocket and spaceship technology could have been created decades ago to send people to and from Mars — but at extraordinary risk of death. He thinks we need some possibly "outlandish" solutions to make travel to the red planet safe and practical.
Jeff Bezos, founder of Blue Origin, inspects New Shepard’s West Texas launch facility before the rocket’s maiden voyage.

Jeff Bezos’ space company Blue Origin plans to land on the moon by 2023

Blue Origin, the space flight project founded by Jeff Bezos in 2000, already has plans for space tourism and has completed some test flights with reusable rockets. Now, the company aims to land on the moon within 5 years.
Earth seems to float above the moon's surface in this Apollo-era photo.

The space between Earth and the moon is mind-boggling. This graphic reveals just how big it is — and what’s out there.

The moon looks so big on the horizon, it's easy to think it's close to Earth. But it's not. Scroll through the Earth-moon distance in a interactive graphic that also lists major spacecraft and natural phenomena.
A composite image showing the moment of ignition on the Atlas 5 rocket carrying InSight to Mars, and a NASA-generated visualisation of the rocket in flight.

NASA has launched a new probe to Mars — here are all the dramatic pictures of the rocket blasting into space

The InSight probe took off from Vanderberg Air Force Base in California at 4:05 a.m. on Saturday on the first step of its mission to explore below the surface of Mars. It is expected to arrive in around six months.
Mars is one of the most-visited planets in the solar system.

NASA’s $850-million mission to Mars is about to launch — here are 13 incredible facts you probably didn’t know about the red planet

NASA is about to launch InSight: a new, $850-million robotic lander that will probe for "Mars quakes" and other mysteries of the red planet. Ahead of the mission's launch in May and landing in November, here are some of the most surprising facts about Mars and our exploration of that world.
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