Extra stellar systems are so far away from our own that we couldn’t even hope of developing a tape measure long enough to determine how far away they really are. On the other hand, astronomers can ...

Anyone interested in astronomy realizes that the stars are scattered through three-dimensional space and not, as the ancients thought, points of light affixed to a celestial sphere. The night sky has ...

The cosmic distance ladder could soon have another rung. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In around 5 billion years, the sun will ...

A team of astronomers has used asteroseismology, or the study of stellar oscillations, to accurately measure the distance of stars from the Earth. Their research examined thousands of stars and ...

Pasadena, CA — Ohio State University researchers have found a way to measure distances to objects three times farther away in outer space than previously possible, by extending a common measurement ...

Spring is galaxy season. If you have a small telescope, this is a good time of year to get it out to find galaxies in the sky. Because most will appear as dim fuzzy blobs, a detailed star chart is ...

The universe is a big place, and it’s hard to fathom the immense size given our finite ideas of distance here on Earth. Because of this, determining an answer for exactly “how big” is difficult.