He says humanity must "face the possibility" UFO sightings really are alien craft.

On Christmas Eve, 3 astronauts became first humans to orbit the moon. Here's their story.

Asteroid 3 times bigger than NZ cannoning past Earth — here's how you can see it.

As Rocket Lab nears its next launch, Grant Bradley talks to the workers making it happen.

Scientists have found a stunning, turquoise blue sand dune found inside a crater on Mars.

It may be the first time the event has been captured from New Zealand.

Kiwi Michael Kapteyn, 22, is hoping to work on new technologies that can help the world.

An acclaimed Māori astronomer is heartened to see more Kiwis celebrating Matariki.

A mechanical issue with equipment in the Chatham Islands put paid to Saturday's launch.

Astronomers witness amazing event for the first time.

Comment: Satellites make life comfortable, but they can and must do so much more.

Just one battle in space could permanently end our dreams of exploring the solar system.

Researchers have identified over 100 planets beyond our solar system that may host life.

Scientists beam recording of the cosmologist's voice to nearest black hole in space.

"To Laura Ann Murray - Best of Luck - Neil Armstrong Apollo 11."

Nasa discovery of ancient organic material revives scientists' hopes.

Curiosity has discovered ancient organics that have been preserved in rocks for billions of years. Source: NASA Goddard

Nasa says the findings are a 'good sign' extraterrestrial life could still exist.

NZ astrophysicist in discovery that could change what we understand about the universe.

Flying telescope to study Milky Way centre and Saturn's moon, Titan

Nasa's New Horizons probe gave us the best look at Pluto yet.

Scientific forays into Antarctica are helping to expand research on planets like Mars.

'Dwarf planet' found tossed into an eccentric orbit far beyond Neptune.

Think your kids are big eaters? Check out what this monster black hole can wolf down.

Group of scientists studying dark energy believe alien life may exist in other universes.

The famous thinker discusses black holes - those in space, and those in cyber-space.

Get ready to unleash your inner werewolf and see the moon on screen as never before.

Nasa finds giant jets of water, boosting chances of finding life on Jupiter's moon.

Nasa advisers say SpaceX fuel plan could put lives at risk.

He is the richest man in the world - and he has big plans to blow the lot.