“How do you study the invisible?” This was the challenge the scientists at the ESA faced during the early days of December 2025 when the XMM-Newton telescope aboard the space telescope detected a ...

Forbes contributors publish independent expert analyses and insights. I cover Hollywood and entertainment. Alien: Romulus—the latest smash hit in Ridley Scott’s classic Alien franchise—is new on 4K ...

At hundreds of millions of kilometers from Earth, an interstellar comet has made an engineering-grade diagnostic: a measurable X-ray glow that traces the exact boundary where the Sun’s particle stream ...

Lasing is much more difficult at X-ray frequencies than with visible light. The conditions that enable electrons in an atom to stay at sufficiently high energy levels to produce an X-ray laser cannot ...