Astronomers estimate that our galaxy has about one exoplanet for every star. Of course, some stars have many planets, such as our Sun, which has eight. And some stars have none. However, if a star lives long enough, planet formation … Read More
A team of researchers has accidentally found two galaxies that were hidden from view sitting at the edge of space and time. Yoshinobu Fudamoto, an astronomer at the Research Institute for Science and Engineering at Waseda University, Japan, and the … Read More
NASA’s latest image of the Milky Way is two decades in the making. The dramatic view of the heart of the galaxy combines 370 observations taken over a period of 20 years and features billions of stars. “What we see in the … Read More
Galileo Galilei used glass lenses to build the first telescope capable of studying the night sky in 1609, improving on a Dutch invention. However, mirrors took over soon after Isaac Newton built the first reflecting telescope later that century: today, … Read More
Just how many galaxies are out there used to be a mystery, with estimates rising from the thousands to the millions to the billions, all as telescope technology improved. Staring at the night sky in front of us reveals … Read More