(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 ...

New research suggests a comet explosion helped cause ice age extinctions, sudden cooling, and the loss of early human cultures.

A G2 storm, rated “moderate” on the five‑tier NOAA scale, can induce voltage irregu­larities in power systems and affect high ...

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