A23a weighs almost a trillion tons, and, as of August, spanned 1,418-square-miles (3,672 square kilometers), making it twice ...

The Webb telescope has confirmed a controversial discovery made over 20 years ago with the Hubble Space Telescope.

There could be planets around the supermassive black hole at the heart of our galaxy – and we may be ready to find them, ...

Saturn’s rings are long thought to be between 100 million and 400 million years old based on more than a decade of ...

"Black holes are not as destructive as we thought. It seems plausible that the detection of planets in the galactic center is ...

The planets are putting on a subtly spectacular show in the night sky this month. Venus is becoming increasingly noticeable ...

Saturn's rings are long thought to be up to 400 million years old but new data finds they could be around 4.5 billion years old.