Plasma, the fourth state of matter, consists of a gas in which electrons are no longer bound to atoms, which allows ...

At more than one million degrees, the sun's atmosphere—the corona—is incredibly hot; but not everywhere. Time and again, huge ...

Apr. 2, 2026 A mysterious Greek inscription found beneath the Great Mosque of Homs could pinpoint the long-debated location of an ancient sun temple. Scholars now think the mosque sits atop a sacred ...