The search for dark matter requires all the best models, theories, and ideas we can throw at it. A new paper by Julia Monika ...

The Helix Galaxy, located 42 million light years away, is an unusual object as it is both a polar ring and a lenticular ...

Scientists believe the Milky Way contains up to 400 billion stars and at least as many planets. The largest galaxy known, IC 1101, has more than 100 trillion stars. Step outside on a clear night and ...

Astronomers have uncovered the most promising evidence yet for the existence of dark stars—giant cosmic objects powered by ...

The U.S. National Park System offers an unmatched array of hiking experiences that cater to seasoned backpackers and casual ...

Views of a massive galaxy cluster Abell 2256 have been captured by NASA’s Chandra X-ray Observatory, ESA’s XMM-Newton and ...

Some of the faintest, coldest stars in the universe may be powered not by fusion—but by the annihilation of dark matter deep ...