This stunning new image of a spiral galaxy — and a very bright star above it — was recently captured by the Hubble Space ...

NGC 5042 is a breathtaking spiral galaxy showcasing a brilliant mix of ancient stars, young blue clusters, and vibrant pink H ...

That’s a massive size. In comparison, our own Milky Way galaxy is estimated to be only 100,000 light-years across. And this great barred spiral galaxy has held that title for decades ...

Viewed through the far-sighted optical telescopes of modern astronomy, the great spiral galaxies that dot ... Even the Milky Way Galaxy, of which the earth and the entire solar system are only ...

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 ...

37,094 people played the daily Crossword recently. Can you solve it faster than others?37,094 people played the daily Crossword recently. Can you solve it faster than others?

Learn about the Oort cloud, a vast area beyond the inner solar system that is believed to contain icy objects arranged in a ...

The solutions to these mysteries could reveal much about how the Andromeda Galaxy — which is the closest large spiral galaxy ...

Hubble’s work opened the door to the study of the universe beyond our galaxy ... Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the ...

By far the most common type of galaxy, spiral galaxies have a bright ... size whose common gravitational center is known as ...