COMMENT: An interplanetary vacuum cleaner may be about to change the world.

We may have missed a visit from an alien life form, a Nasa scientist claims.

InSight is only the eighth space explorer from Earth to make it onto the Red Planet.

'There's a quiet beauty here' - InSight's tweets track its progress in real time.

Radio signals confirming the landing took more than eight minutes to reach Earth.

Musk says the likelihood of him going to Mars is "70 per cent".

US has pulled off seven landings in three decades - but this one won't be easy.

EDITORIAL: Missions to Mars show off Nasa's engineering prowess in spectacular ways.

Nasa considers ways to 'boost its brand'.

New pictures show the hole in the space station had been deliberately drilled.

Hole caused by a small meteorite led to a drop in cabin pressure.

A boorish intern was left red-faced after a Twitter thread spun out of control.

Unprecedented quest to get closer to the Sun gets off to a good start.

The Parker probe will venture closer to our star than any other spacecraft.

NASA has postponed the historic launch of the first spacecraft to fly towards the Sun.

NASA will launch a spacecraft tomorrow that will plunge straight into the Sun's crown.

Treasure Hunter believes he's found first evidence of an extra-terrestrial visit to Earth.

After scrubbed launches Rocket Lab will try again in quick succession later this year.

Is there life on Mars? Made with funding from NZ On Air.

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.

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

Nasa discovery of ancient organic material revives scientists' hopes.

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.

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.

Decision was made despite Trump directing space agency to focus on a return to the moon.

Aliens, seals or a portal to another dimension... what are these circles in Arctic ice?