Astronomers have found a huge cosmic structure called Quipu. It spans 1.3 billion light-years, making it 13,000 times bigger ...

Predictions are uncertain, but the solar system may be pushed farther from the galactic core or even ejected entirely from ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration. At the same time several telescopes, including the Chandra X-ray Observatory ...

Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.