Officials have warned that the tank contains a "highly volatile" substance that could lead to an explosion.

The first attempted launch on Thursday was postponed due to a malfunctioning hydraulic pin in the launch tower.

More than 30 people, including firefighters, were hurt in the incident, which was described as "a complex, fast-developing emergency situation".

Scientists are attempting to build exercise equipment to be used on future space flights.

Latest polls suggest the centre-right figure is the only candidate who can defeat Marine Le Pen or Jean-Luc Mélenchon.

Latest polls suggest the centre-right figure is the only candidate who can defeat Marine Le Pen or Jean-Luc Mélenchon.

Latest polls suggest the centre-right figure is the only candidate who can defeat Marine Le Pen or Jean-Luc Mélenchon.

Those caught up in West Africa's Ebola outbreak a decade ago on how best to tackle the current epidemic.

The top US diplomat has made statements offering to support India’s energy needs - but should Delhi give in?

The Pentagon discloses scores of UFO files with reported sightings of spheres, discs and fireballs spanning nearly 80 years.

A federal judge says the Maryland man who was wrongfully deported last year is being prosecuted for political reasons.