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Why is there something rather than nothing? Using a Socratic approach, we survey the best scientific ideas in physics ...

I've long been fascinated by the fundamental mystery of our universe's origin. In my work, I explore an alternative to the traditional singularity-based models of cosmology. Instead of a universe ...

There's always a touch of melancholy when a chapter that has absorbed years of work comes to an end. In the case of the ...

Dark matter remains one of the most compelling enigmas in modern cosmology. Although it does not emit light, its gravitational influence is essential for the formation and evolution of cosmic ...

"I am at a loss." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. We see countless stars and galaxies sparkling in the universe today, but how ...

About a year after launching into orbit around the Sun, the James Webb Space Telescope began imaging an abundance of little red dots, which scientists called, um, “little red dots.” I know—not only is ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American When predicting something that science will ...

Quantum cosmology and loop quantum gravity constitute two intertwined pillars in the quest for a quantum theory of gravity. Quantum cosmology applies the principles of quantum mechanics to the entire ...

How did the universe start? Did we begin with a big bang, or was there a bounce? Might the cosmos evolve in a cycle of expansion and collapse, over and over for all eternity? Now, in two papers, ...

What would happen to the solar system if half of the universe disappeared? From Newton to Einstein, most experts have agreed that nothing much would happen except that the sky would have fewer stars.