Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...

New Webb Telescope data uncovers missing gas that enables star formation in the Phoenix cluster, solving a cosmic puzzle.

NASA's James Webb Space Telescope (JWST) has recently made observations about galaxy clusters that will help shape our ...

It’s neither fast nor food, but a spectacular object called HH 30 looks appetizing for astronomers in a new image from the ...

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 ...

New findings explain the Phoenix cluster's mysterious starburst. Data confirm the cluster is actively cooling and able to generate a huge amount of stellar fuel on its own.

The James Webb Space Telescope has captured an amazing view of interacting galaxies Arp 142. Arp 142 consists of a distorted ...

Where is all the water that may form oceans on distant planets and moons? The SPHEREx astrophysics mission will search the ...

Spend 8 minutes with an image that has changed astronomy forever - the first-ever deep field view of galaxy cluster SMACS ...

Most massive galaxies have black holes at their cores that emit energetic particles, heating the galaxy’s gas and dust.

After hundreds of hours of observations, researchers captured a highly detailed image of a long filament of the "cosmic web" ...