science

A 50-year-old prediction from general relativity has finally been observed: a supermassive black hole blasted from its galaxy at nearly 1,000 km/s, leaving a 200,000-light-year trail of newborn stars in its wake. Here’s the full story — and why it changes everything we know about cosmic mergers. In September 2022, astronomers spotted something that shouldn’t … Read more

In the shadowy depths of a Siberian cave, where ice has long preserved the secrets of our ancient ancestors, scientists have unearthed a tale of unlikely romance that rewrites the story of human evolution. Meet “Denny,” a young girl who lived around 90,000 years ago—not as a member of a single human species, but as … Read more