It's 99 percent dark matter, a new study explains.

The Hubble Space Telescope captures imagery of globular cluster NGC 6325. Credit: Space.com | footage courtesy: ESA/Hubble & NASA, E. Noyola, R. Cohen | edited by Steve Spaleta ...

"This is a crucial step towards characterizing giant planets beyond our solar system." ...

The Hubble and Chandra space telescopes are hunting for rogue black holes wandering through dwarf galaxies, which could provide a fossil record of how supermassive black hole growth in the early ...

Drawing together leading experts from across the field, an international collaboration of cosmologists has created a unified approach for measuring the value of the Hubble constant. Published in ...

A new 3D map of Uranus is shedding light on one of the solar system's most mysterious planets.

Continuing our new series on photography and gear, DPReview community member Michael S. shares how early sports photography and a lifelong love of astronomy grew into a passion for capturing wildlife ...

Scientists say that while ordinary crystals repeat precisely, quasicrystals maintain order even though their patterns fail to repeat perfectly.