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.

This stunning image dubbed 'Cosmic Owl' captures a remarkable moment in deep space, billions of light years away.

Here are 8 incredibly beautiful and mesmerizing deep space images captured by NASA’s Hubble Space Telescope, showcasing the ...

Baryon acoustic oscillations (BAOs) – the “sound of the Big Bang” – support the idea of a local void. Gabriela Secara, ...

According to a provocative new study, that might just be our cosmic address. This idea is meant to solve one of the biggest ...

The camera, now bolted to the end of a giant telescope at the Rubin Observatory, is expected to shoot photos of 20 billion galaxies, to be stitched together in broad panoramas giving astronomers ...

The light that the NASA/ESA Hubble Space Telescope collected to create this image reached the telescope after a journey of ...

How does the camera on the James Webb Space Telescope work and see so far out? – Kieran G., age 12, Minnesota Imagine a ...

A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor.

The Andromeda galaxy is also known as Messier 31. It is a spiral galaxy located about 2.5 million light-years from Earth. On ...

Supermassive black holes usually lurk unseen, but when an unlucky star drifts too close they ignite titanic outbursts ...