On the night of October 5-6, 1923, Carnegie astronomer Edwin P. Hubble took a plate of the Andromeda Galaxy (Messier 31) with the Hooker 100-inch telescope of the Mount Wilson Observatory. This plate, ...

NASA created a haunting audio clip of sound waves rippling out of a supermassive black hole, located 250 million light-years away. The black hole is at the center of the Perseus cluster of galaxies, ...

100 years ago, Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help. If we could go back 101 years, we would encounter a time when ...

Now, astronomers have used the Hubble Space Telescope to capture hundreds of detailed images of our vast galactic neighbor, creating the largest-ever photomosaic of the galaxy. It took over 10 ...

Edwin Hubble first identified the Universe’s expansion in 1929. Since then, the rate of expansion – called the Hubble constant – has been the focus of countless measurements. Each generation of ...

The launch was set for Thursday at 5 p.m. from SpaceX’s Starbase launch complex in Boca Chica, Texas. After the launch, SpaceX will attempt to catch the Super Heavy booster back at the launch ...

This discrepancy between model and data became known as the Hubble tension. Now, results published in the Astrophysical Journal Letters provide even stronger support to the faster rate of expansion.

Why it's so special: This iconic montage features images of Jupiter, Saturn, Uranus and Neptune captured between 2014 and 2024 as part of the Hubble Space Telescope's Outer Planet Atmospheres ...

This NASA/ESA Hubble Space Telescope Picture of the Week features the galaxy LEDA 22057, which is located about 650 million light-years away in the constellation Gemini. Like the subject of a ...

Elon Musk's SpaceX program will begin 2025 with a flurry of rocket launches in the coming days, and star-gazers will want to know the schedule to plan their sky-watching activities. A SpaceX ...