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.

Superman's lack of weakness is actually his biggest weakness. Indeed, that god-like skillset makes him so across-the-boa ...

It's officially summer, and with that comes the first full moon of the season. July's full moon -- known as the Buck Moon or ...

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

The search for dark matter requires all the best models, theories, and ideas we can throw at it. A new paper by Julia Monika Koulen, Stefano Profumo, and Nolan Smyth from the University of California ...

July's full "Buck Moon" will be at its fullest on Thursday, July 10, and will be best seen at moonrise. It is the farthest ...

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

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...

The Person Worth Waiting For, Based on Zodiac Sign originally appeared on Parade.

How does the camera on the James Webb Space Telescope work and see so far out? – Kieran G., age 12, Minnesota Imagine a camera so powerful it can see light from galaxies that formed more than 13 ...

Sauk Prairie will get a glimpse of one of the two eclipses that will occur over the next thirty days. The total solar eclipse ...

Friday and Saturday bring us the new moon, astronomy's most delightful contradiction — we celebrate what we literally cannot see. The moon tucks itself precisely between Earth and the sun, showing us ...