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 Chinese rivals, but that too much concentration could limit choice. The only ...

Astronomers using the Hubble Space Telescope have observed a white dwarf - a highly compact stellar ember - that appears to have gobbled up an icy world akin to the dwarf planet Pluto, a finding with ...

There are signs deep beneath the Pacific Ocean that an exploding star once sent cosmic rays blasting out towards Earth, and now we have an idea of which stars may be to blame ...