Astronomers first thought these red dots were ancient galaxies. They appeared unusually mature for their early universe age.

Webb telescope captures a young giant star firing off an 8-light-year gas jet, and revealing how massive stars form.

When the "little red dots" were first discovered in 2022, scientists thought the objects might be galaxies as mature as the Milky Way, which is about 13.6 billion years old. That's because galaxies ...

On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than images from ground-based telescopes. In August of that year, Hubble made one of ...

"It's an elegant answer, really, because we thought it was a tiny galaxy full of many separate cold stars, but it's actually, effectively, one gigantic, very cold star." ...

The Phantom Galaxy (M74) has been imaged in infrared and optical light using the James Webb Space Telescope and Hubble Space ...

Finding another Earth is the holy grail of modern astronomy. NASA’s upcoming Habitable Worlds Observatory (HWO) is ...