The vantage point at Cerro Pachón, with its dark skies and high-altitude clarity, enhances the richness of the image.

In fact, these jets often expand into wide plumes or “lobes” that fan out far above and below their host galaxies. The jets ...

Surprisingly, some of the universe's brightest objects are black holes. As scorching gas and dust flow around and into a ...

Critics argue the satellites, billed as a way to harness solar energy at night, could hamper sky observations and may pose a ...