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 ...

"Theories involving substantial formation of stars prior to or together with the black hole formation and growth are very ...

NASA's retired Space Shuttle Discovery could be on the move from Virginia to Texas under a provision in the GOP's so-called ...

The outer space is a fascinating place that will neve cease to amaze us, with incredible views that gives us a perspective of ...

The Hubble Space Telescope has found evidence of a "wandering" black hole about 5000 light years away in the Milky Way galaxy ...

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

Readers doubtless know that metals expand when heated. As explained in a NASA blog post that’s a problem for space telescopes ...

The first ever space telescope, the Orbiting Astronomical Observatory 2 (OAO-2), was launched into the low Earth orbit in ...

Hubble Space Telescope snapped an image of UGC 11397, a spiral galaxy situated in the constellation Lyra, about 250 million ...

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