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

The center of our Milky Way galaxy is hidden from the prying eyes of optical telescopes by clouds of obscuring dust and gas.

Arp 282: This image from the NASA/ESA Hubble Space Telescope feels incredibly three-dimensional for a piece of deep-space ...

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

While the events observed around Sgr A* are dramatic, this black hole is not as active as some at the center of other ...

You can capture amazing astrophotos with only a camera and a tripod — this beginner's guide will show you how.

Dr. Danielle Pahud is an instructor in the University of Manitoba’s department of physics and astronomy and director of the ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Scientists didn't expect that stars would be able to still form in the dwarf galaxy known as Leo P, which the James Webb Telescope recently imaged.

The James Webb Space Telescope has zoomed in on Leo P, a tiny galaxy with some big things to say about star formation.