For more than a century, astronomers have known that some “new stars” flaring into view are not births at all but violent ...

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 ...

Batteries enhanced with a polymer material that releases fire-suppressing chemicals at high temperatures are significantly less likely to explode into flames. This technique could boost the safety of ...