SpaceX confirmed that one Starlink satellite recently exploded in orbit, and it is now tumbling to re-enter the planet.

A multi-institutional team of geoscientists has found evidence that the Earth's rotation slows in a staircase pattern, with two stable periods that stand out. In their study, published in the ...

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 ...