They show up as a mathematical solution in general relativity, basically as a time-reversed version of a black hole. Some ...

The curious minds at What If reveal shocking space facts you never knew, exploring mysteries, discoveries, and the wonders of ...

All the “normal” matter, like the stars, gas, dust, and people, is called baryonic matter, and it’s basically the tiny visible fraction of a universe that’s mostly invisible and still not fully ...

Loved Interstellar? Discover 5 must-watch sci-fi movies featuring space exploration, mind-bending time travel and emotional ...

NASA astronaut requirements 2026: Becoming a NASA astronaut is a challenging journey. Applicants need specific degrees and experience. Training lasts two years, covering survival, robotics, and flying ...

Answers now arrive with unprecedented speed and fluency. Questions that once required deep research, reflection, and synthesis now dissolve instantly into polished responses. From the outside, this ...

The Hubble and Chandra space telescopes are hunting for rogue black holes wandering through dwarf galaxies, which could ...

Out in the Kuiper Belt, the massive doughnut of debris beyond Neptune, about one in 10 kilometer-scale objects have surprised scientists with their unexpected shape. Rather than resembling a ball, ...

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a cosmic ray detector, was designed to measure the radiation environment in Earth ...

A dazzling new Hubble image peels back the layers of the mysterious Egg Nebula, a rare and fleeting phase in a Sun-like star’s death just 1,000 light-years away. Hidden inside a dense cocoon of dust, ...

Astronomers have long debated why so many icy objects in the outer solar system look like snowmen. Michigan State University ...

This enormous chain of hundreds of galaxies—a cosmic filament—is twisting through space 400 million light-years away ...