A long-simmering disagreement over the universe’s present-day expansion rate shows no signs of resolution, leaving experts ...

An analysis of two decades of data from NASA's Hubble Space Telescope has provided fresh insights into the complex ...

The NASA James Webb Space Telescope captured a stunning image of an Einstein ring, an optical phenomenon created by ...

The spins of some early galaxies could be a clue that the entire observable universe exists within a black hole—except, that ...

A century ago, Edwin Hubble revolutionized our understanding of the universe by proving that the Milky Way is just one of many galaxies in an ever-expanding cosmos. This breakthrough led to the ...

Saturn is below Venus and very low in the predawn sky. In late April it is five degrees above the horizon. You may need ...

The strange sight is actually two galaxies, with the light of the second warped around the one at the front as a result of ...

Known as SIMP 0136, the $10 billion James Webb Space Telescope caught a glimpse of it floating through the universe all by ...

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

An elliptical galaxy and a spiral galaxy appear as one celestial body as a result of the effects of mass on spacetime, the fabric of the universe ... two of the Hubble Space Telescope's ...