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.

Felton Davis offered thousands of strangers a close-up view of the Moon and planets orbiting New York City. Now he’s passing the telescope on.

Space is a very big place, and as such, it's full of mysteries that scientists can't explain. Some of this is simply because it's impossible to fully observe, thanks to its sheer size and the ...

This is a good time to see the Milky Way, which is part of our own galaxy. Looking to the south from late evening ... In the pre-dawn sky, Saturn is in the south east and lower down in the east is ...

Back to Article List The Sky Today on Sunday, June 22: The Moon stands north of Venus Venus and the Moon lie 5° apart in the predawn sky, offering a lovely naked-eye spectacle for early risers.

Scientists using NASA's James Webb Space Telescope (JWST) have made an exciting discovery about the early universe. They found dozens of small galaxies that played a huge role in transforming our ...

However, scientists can infer the presence of dark matter from its gravitational effects on stars and galaxies. Adding supermassive black holes— which trap light behind their horizons— to the picture ...

Located billions of light-years away, the "Cosmic Owl" is a pair of colliding ring galaxies spotted by the JWST. It's also an ...

News and research on the formation of galaxies. From the Milky Way to Andromeda Galaxy, see astronomy images of splendid galaxies in the universe. Read the latest research discoveries.