(CNN) — For the first time, astronomers say they have spotted a giant explosion released by a star beyond our solar system. The eruption was similar in some ways to those unleashed by our sun, such as ...

Everything that has a beginning will have an end. From organisms to planets, the arc remains the same for all parts of the universe, even for one of t.

The bewildering interstellar visitor 3I/ATLAS, only the third known object from another star to sweep through our neighborhood, just made its closest pass to the Sun, coming within roughly 126 million ...

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 ...