Further examinations on Earth are required.

It will look very different from the bulky spacesuits of yore.

This will be the second outpost in low-earth orbit, after Nasa.

16-member panel brings together experts from scientific fields. 

'This is a watershed moment for planetary defence,' says Nasa chief.

It's akin to a vending machine slamming into an asteroid the size of a football stadium.

The move is about national prestige for Saudi Arabia.

Nasa says new hydrogen leak too tricky to fix on launch pad. 

Bid to return astronauts to the moon remains at least 3 years away.

Antarctica is 'crumbling at its edges', Nasa says.

It captures distant colliding galaxies and gas-giant exoplanets.

Photo includes light dating back over 13b years, Nelson says.

Nasa chief says China's space programme is a military one.

These include visuals of its south pole.

Events on Earth may complicate ties in space.

James Webb space telescope is 100 times more powerful than Hubble.

The launch comies to fruition after years of delays and cost overruns.

The spacecraft will demonstrate Earth's first planetary defence system.

Branson touts the mission as a precursor to a new era of space tourism.

Landmark achievements in science and technology can seem humble by conventional measurements.

It's headed for a touchdown inside a vast basin called Jezero Crater, site of a long-vanished Martian lake bed.

It's Nasa’s first full-fledged mission sending a crew into orbit aboard a privately-owned spacecraft.

Care must be taken not to introduce elements which can harm us on Earth.

Analysis of samples from Bennu asteroid could reveal if asteroids helped seed life on Earth.

The astronauts completed Nasa's first crewed mission from launched from the US in nine years.

SpaceX, the private rocket company of billionaire entrepreneur Elon Musk, launches two Americans into orbit from Florida.

She has logged 328 days onboard the International Space Station.

The work underscores Nasa's plan to establish a lasting presence on the moon in the new space race, unlike the fleeting Apollo missions that came before.

The trips, costing US$50m, are for private astronaut missions, according to the US space agency.

Jim Bridenstine says the 400 pieces of resulting orbital debris are 'unacceptable'.