The death of Nasa's Cassini read like the glorious finale of a Hollywood movie hero.

No mission lasts forever, but Cassini's final dive is particularly hard for one scientist.

Nasa's Cassini, soon to perish, has made an incredible contribution to science, Kiwis say.

Nasa says Yellowstone super volcano is a greater threat to life on Earth than an asteroid

Crafts sent beyond our solar system by Nasa contain maps with direct co-ordinates to Earth

A conspiracy theorist claims Earth is about to be destroyed by a rogue planet

An engineer who previously worked at Nasa claims UFOs are hiding in the rings of Saturn.

Imagine a storm so vast it could swallow the Earth.

Conspiracy theory that a child-trafficking ring is operating in secret on the planet.

Recent discoveries in our solar system and beyond have increased hopes of alien life.

COMMENT: Unravelling the secrets is much more important than just getting there first.

Nasa's flying observatory lands in Christchurch for more scientific night flights.

Nasa chose 12 new astronauts from its biggest pool of applicants ever.

Probe promises to "revolutionise" our understanding of the sun, and unlock its secrets.

Rocket Lab boss Peter Beck and his team celebrate the Electron launch in mission control.

A woman bought 'moon dust' NASA misplaced for $1400, now it could be worth $5.7m.

Rocket Lab has scrubbed a potential launch of the Electron rocket due to high winds.

Kiwis are about to get a deep insight into a $100 million hunt for intelligent alien life.

Extreme athletes aren't simply adrenaline junkies with a death wish, scientists say.

Rotorua features in a new study pushing back the oldest geological record of life on land.

Scientists from Nasa have discovered a potential 'sunblock' for humans on Mars.

Nasa's unprecedented trip between Saturn and its rings provides amazing pictures.

The balloon is operating as expected and being monitored from Nasa's base in Texas.

Stunning images of the Earth lit up at night have been released by NASA.

The Nasa pictures make clear that a significant new rift has opened.

An investigator went too far in pursuit of the widow of a Nasa engineer.

Higher wind speeds have forced the postponement of NASA's super-pressure balloon.

Space scientists are paying people to lie on their backs for two months.

Both Sir Richard Branson and Elon Musk have space missions planned for next year.

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