Scientists trying to work out whether a star exploded and the resulting debris crashed into Earth 10 million years ago may be one step closer to solving the mystery. They discovered an unusual amount ...

A senior official from the European Space Agency said mergers could be needed to reach the scale to compete with US and ...

Astronomers using the Hubble Space Telescope have observed a white dwarf - a highly compact stellar ember - that appears to ...

There are signs deep beneath the Pacific Ocean that an exploding star once sent cosmic rays blasting out towards Earth, and ...