An active region on the Sun, AR1515, has been putting on quite a show over the last 8 days, sending out all sorts of solar flares. Scientists were sure the huge sunspot was building up to produce an X ...

The NOAA Space Weather Prediction Center similarly upgraded its forecast from G3, meaning “strong,” to G4, indicating “severe” conditions, for Wednesday. Meanwhile, the British Geological Society says ...

Where did all the water come from? Water, water everywhere. It covers 70 percent of Earth’s surface and earns it the nickname “the blue planet.” And yet… where did it come from? How is it so abundant ...