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An extreme solar storm hit Earth some 14,300 years ago, more powerful than any other such event known in human history, a new analysis of radiocarbon data has revealed. The

New experiments have shown that the core of Mars formed much faster than Earth’s core, thanks to molten iron and nickel sulfides seeping down through solid rock and into the

Scientists have found seismic clues that suggest liquid water may be hiding beneath Mars’ surface. By listening to the echoes of “marsquakes” — seismic waves rippling through Mars‘ crust —

The most powerful explosions in the known universe come from what are known as gamma-ray bursts — though they may not sound particularly exciting, scientists usually speak about these incredible