This black hole really knows how to kick back. Scientists recently observed two black holes that united into one, and in the process got a “kick” that flung the newly formed black hole away at high ...

Once inside the oceanic mantle, bits of continents become part of the magma factory that powers ocean volcanoes.

The speed of light is a fundamental constant, approximately 299,792,458 meters per second. It's the same for all observers and hasn't changed measurably over billions of years. Nothing can travel ...

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A flash of light hits a simple iron crystal. In the space of a trillionth of a second, its magnetic behavior shifts, as if ...