Astronomers have identified one of the most distant candidate galaxies known to leak ionizing radiation—the same kind of ...

Distant galaxies that abruptly stopped making stars have puzzled astronomers for years. About 9 billion years ago, during one ...

The first images from the Vera C. Rubin Observatory showed off a breathtaking preview of its capabilities — capturing millions of stars and galaxies light-years from Earth, along with thousands of ...

Galaxies like our Milky Way grew through cascading mergers of smaller galaxies that began billions of years ago. The ancient progenitors of galaxies like ours were small galaxies similar to modern-day ...

An image of the bulge of the Milky Way Galaxy showing over 60 million stars, as seen by the Euclid space telescope ...

JWST has revealed a strange early universe filled with ultra-bright “blue monster” galaxies, mysterious “little red dots,” and black holes that seem far too massive for their age. A new study proposes ...

On this day three years ago, we witnessed the nail-biting launch of the James Webb Space Telescope (JWST), the largest and most powerful telescope humans have ever sent into space. It took 30 years to ...

Galaxies are not always teeming with vibrant, hot young stars. Sometimes, they are rich in gas and dark matter but have very few or no stars, making them extremely difficult to detect. They are called ...

Whether the universe will “end” at all is not certain, but all evidence suggests it will continue being humanity’s cosmic home for a very, very long time. Our understanding of the future of the ...

Quasars — the brightest objects in the universe — are powered by supermassive black holes at the heart of early galaxies.