Scientists propose that gravitational waves shaped the universe. Their model challenges inflation theory. How exactly did the universe start, and how did these processes determine its formation and ...

NASHVILLE, Tenn. (AP) — Marty McFly grabbed a guitar in “Back to the Future” and rocked out with the band at a 1950s high school dance, helping him narrowly avoid blinking out of existence before time ...

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I’ve nodded patiently and sympathetically. I’ve been empathetic and encouraging. I’ve tried teaching and being supportive. I’ve even resorted to shoutery (which didn’t take too long if I’m honest…) ...