While solitary black holes should be common, they are hard to find. The one in Sagittarius revealed itself when it passed in front of a dim background star, magnifying the star’s light and slowly ...

A team of researchers has engineered a groundbreaking optical device that mimics the physics of black holes and their ...

Rights groups are increasingly worried that El Salvador's notorious CECOT prison is becoming a "black hole" for the United ...

Estrella del Paso, a local nonprofit that helps migrants with legal services, terminated two of its programs following a ...

In a baffling cosmic mystery, astronomers have reported a star that appeared to vanish without a trace. One night it was there, shining bright—and the next, it was gone. No explosion, no fading, no ...

Rights groups are raising alarms over the Trump administration's mass deportation of migrants to El Salvador's notorious ...

Our writer—a three-time marathoner—offers up 11 comfortable, snug, and even fun shades to help you conquer the miles.

Why are hominin fossils in caves often buried under metres of sediment? And can two negatively charged black holes repel each ...