New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.

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 ...

Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the ...

Beauty Of Tarantula Nebula This nebula in the Large Magellanic Cloud is one of the most active star-forming regions, filled ...

Dark energy is still a mystery, but powerful new telescopes are set to uncover clues. With NASA and ESA leading the charge, ...

From vivid nebulae to a comprehensive view of our evolving universe, check out these 7 amazing deep-field images captured by ...

The "dark universe detective" space telescope Euclid has discovered its first Einstein ring in the process, learning about ...

The Universe is full of dust, and a striking new image from the Hubble Space Telescope highlights just how important it is.

The James Webb Space Telescope (JWST) has been giving us a fabulous new view on the Universe since its launch.

Dark Energy 'Doesn't Exist' So Can't Be Pushing 'Lumpy' Universe Apart Dec. 20, 2024 — One of the biggest mysteries in science -- dark energy -- doesn't actually exist, according to researchers ...

For decades and centuries, scientists have thought that they have all the information about the universe and how it operates, but recent studies and discoveries have proven that they are not as ...