A splatter of stars glows faintly at almost 3 million light-years away in this new image from NASA's Hubble Space Telescope. Known as the Tucana Dwarf for lying in the constellation Tucana, this dwarf ...

The constellation Tucana the Toucan is visible year-round from Earth’s Southern Hemisphere. That’s because it’s near the south celestial pole, the point in the sky around which all southern stars ...

Astronomers from the University of Arizona (UA) and elsewhere report the discovery of a new ultra-faint dwarf galaxy. The newfound galaxy, designated Tucana B, is the first quenched and isolated ...

Our galaxy is surrounded by dozens of dwarf galaxies that scientists believe are remnants of the very first galaxies in the universe. One of the oldest of those galaxies is an ultra-faint dwarf galaxy ...

Nine more stars found in Tucana II, revealing galaxy to be larger than previously thought The discovery of a handful of stars at the edge of a fossil galaxy has shed new light on dark matter and ...