Canadian astronaut Chris Hadfield, NASA's Thomas Marshburn and Russian cosmonaut Roman Romanenko are returning to Earth after five months aboard the International Space Station.

Canadian astronaut Chris Hadfield and Nasa’s Thomas Marshburn have become well known for their amazing photos of planet earth, regularly tweeted out to their thousands of fans. Here are 10 of the best.

Chris Hadfield flies back to Earth today having signed off after five months as commander of the International Space Station by performing David Bowie's Space Oddity in zero gravity.

The culture in NZ is, no doubt, a leading element of what has been achieved by Team NZ in bringing this catamaran campaign to its impending pinnacle, Keith Turner.

Eva the mascot cow is on her way back to Tauranga after being lifted more than 36,500m to the edge of space and crash landing in Nevada's Death Valley.

It is one of the cosmos' most mysterious unsolved cases: dark matter. It is supposedly what holds the universe together. We can't see it, but scientists are pretty sure it's out there.

Technically, Pink Floyd had it wrong. The space-facing side of the moon isn't dark. Not that you'd know that, given we always see the same side of our nearest neighbour.

Scientists studying a collection of 35 meteorites that landed in Morocco in 2012 say that a strange green rock among the group is likely from Mercury.

Veti-Gel is a liquid that can not only immediately stop bleeding but also initiate healing.

When the Apollo 11 mission blasted off carrying the folks who would be the first to walk on the Moon it was powered by 5 F-1 engines. Those engines burned for a few minutes, and then fell into the Atlantic Ocean, as they'd done their job.

Dennis Tito is planning a private mission to Mars in 2018. Inspiration Mars Foundation aims to inspire and wants to take advantage of the way the planets line up in 2018.

Tiny computers small enough to be swallowed could monitor your internal health or release drugs and medicine inside your body.

Britain has committed £88 million ($160 million) towards the construction of the world's largest telescope.

Forget Bruce Willis detonating a nuclear bomb to deflect an Earth-bound asteroid - all you need to do to divert an oncoming space rock is give it a lick of paint.

Sub-audible infrasonic waves from the meteor which exploded over a remote region of Russia last week were recorded 15,000km away in Antarctica.

A popular Canadian astronaut orbiting the earth 16 times a day is beaming his “Space Kitchen” cooking show back down to his fans.