One of the most extensively studied stellar streams within the galactic halo of the Milky Way is the GD-1 stellar […] The ...

A fluffy cluster of stars spilling across the sky may have a secret hidden in its heart: a swarm of over 100 stellar-mass ...

Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

Palomar 5 is a unique star cluster that stretches across 30,000 light-years and is located about 80,000 light-years from ...

Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...

From starry skies and urban sights to mysterious wilderness, noctourism is about discovering the magic of exploration by ...

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...

The “ghost towns,” named Sculptor A, B, and C, consist of three faint and ultra-faint galaxies about 6.5 million light-years ...

The Andromeda Galaxy, our nearest galactic neighbor, is a majestic spiral galaxy like the Milky Way. Let’s uncover some ...

Astronomy, always seeking the deepest mysteries of the cosmos, has taken a significant new step with the discovery of three ultra-faint dwarf galaxies. This breakthrough, the result of collaboration ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

The Andromeda galaxy is a colossal marvel in our sky, hosting over 1 trillion stars. Now, astronomers have used the Hubble ...