Sir Richard Branson will take passengers on Virgin Galactic flights by the end of 2018.

NASA has launched a searchable database of its most iconic images.

Nasa astronauts lost a fabric shield needed for the International Space Station.

An American astronaut tweeted this astounding shot of his boots dangling above the Earth.

SpaceX is gearing up to launch its first recycled rocket.

Sci-fi suspense at times silly but surprisingly satisfying with a stellar cast.

Dr Neil deGrasse Tyson will give presentations on the big issues facing humans.

Huge swirling grey clouds are seen, capturing the immense power of Cyclone Debbie.

Kiwi scientists say New Zealand technology can improve the accuracy of GPS.

Is laughter contagious? It is among our cheeky kea.

Renowned scientist Dr Brian Greene talks a "new era of astronomy" and a Kiwi innovator.

One of the first space tourists loved every minute, despite being physically miserable.

Rocket Lab is now a $1.4 billion company after attracting more US backing.

Pluto fans are attempting to reignite one of astronomy's most contentious debates: What is a planet?

New Zealand forces will get higher speed data in the field from a satellite launched as part of a multi-national project.

Auckland's Stardome Observatory is celebrating 50 years of star-gazing.

Scientists believe the find shows that alien life on Mars is likely.

With so many undiscovered planets in the galaxy, it surely seems there are other planets that harbour life.

Nasa astronomers have spotted seven Earth-size planets. Should we be excited?

Group of planets orbiting dwarf star best shot yet at finding life out there, writes Sarah Kaplan.

Tristram Clayton interviews Grant Christie, Astronomer at Auckland Observatory, about the discovery of a new solar system just 39 light years from Earth.

Nasa have discovered six inner planets which can support life - not too hot and not too cold. YouTube / Global News

NASA says it has some big news to tell the world.

Source: Space X

WATCH: SpaceX launched from the historic Launch Complex 39A at the Kennedy Space Centre and safely returned.

This Nasa image shows an incredibly detailed picture of the surface of Jupiter taken by the Juno spacecraft.

Lifeforms which have been living inside crystals for up to 60,000 years have been revived by NASA, raising hopes that alien organisms could be found on other planets.

Comment: New ways of teaching have some merits, but many flaws.

Speaking at the World Government Summit, Elon Musk talked about aliens, AI, commercial space flights and a 'universal income' for every human.

Source: Youtube / Space-Agencies