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'Fireball' filmed in skies over Japan

An apparent fireball was seen over Japan on Tuesday night.

The object, which was seen over southern skies, disappeared after emitting a powerful green light.

It is thought it was caused by a fragment of an asteroid burning up in the Earth's atmosphere.

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Scientists uncover 'pictures' of gravitational waves

Scientists who detected the existence of gravitational waves two years ago now have a way of convincing the rest of us, they believe.

Pictures and sound of the ripple in space time, a concept predicted by Albert Einstein a century ago, appear to have been discovered by researchers, ITV News Correspondent Geraint Vincent reports.

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