NASA’s New Horizons spacecraft has been used to demonstrate simple interstellar navigation by measuring the parallax of just ...

Hubble’s crystal-clear look at NGC 1786—an ancient globular cluster tucked inside the Large Magellanic Cloud—pulls us 160,000 ...

By using light to emulate the structure of space-time, researchers can better understand black holes – and the exotic objects that mimic them ...

Here's everything to know about the James Webb Space Telescope, and what it captured on its three-year anniversary observing ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

As the International Space Station whizzed over Mexico and the United States — before floodwaters catastrophically rose in ...

A bright light seen across several western states on May 16 sparked speculation on social media. The light, observed in Arizona, New Mexico, Colorado, Utah, and Montana, was likely from a Chinese ...