Startling new images from the depths of the Pacific Ocean reveal one of Earth's most violent processes: the destruction of massive underwater mountains.

BBC: Undersea mountains march into the abyss

Such data provides the high resolution details from which we can see how the Earth's structures have formed, measures the exact size and shape of the volcano and provides a vital snapshot of the Earth's active and sometimes violent volcanic system in action.

BBC: Inside the hottest place on Earth

During an eclipse scientist are able to measure the effect of the sun on the Earth's atmosphere and observe the violent magnetic storms in outer atmosphere of the sun - the corona.

BBC: 11 August

These rocks landed on Earth about 2.5 million years ago, after being blasted off the Red Planet by a violent impact.

MSN: Scientists say parts of Mars interior are as wet as Earth's