In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

Ancient ‘white dwarf’ stars explode and die in more ways than was thought, and observing these violent cosmic deaths could ...

Elon Musk's internet satellites have been a game changer for people in rural areas, but scientists are alarmed that plans to ...

Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

Since Hubble’s launch, astronomers have discovered over 1 trillion galaxies, but Andromeda stands out as the closest and most ...

A new image from the Hubble Space Telescope shows a cosmic cloudscape, with clouds of dust and gas swirling in beautiful colors.

NASA’s Hubble Space Telescope has peered deeper than ever into a quasar, revealing a bunch of “weird” features in its […] ...

Scientists used NASA’s Chandra X-ray Observatory, Hubble Space Telescope, and the Atacama Large Millimeter/submillimeter Array to capture this vibrant view. The image reveals thousands of young ...

Feb. 7, 2025 — 'Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant planets, suggests a new ... Largest Radio Jet Ever ...

Despite its whimsical name, Quipu (pronounced “kee-poo”) is the largest confirmed superstructure in the universe to date in ...