Any day now, a massive stellar blast dubbed "the Blaze Star" could light up the night sky so brightly, you won't even need a ...

Meanwhile, astronomers are keeping watch for a rare nova—a sudden explosion of a distant star—that could appear to the naked ...

This is the archetypal lightning bolt, one that arcs out of the sky and smites the ground with a great, often flickering flash of light. Lightning is the sudden release of built-up charge stored ...