Measuring distances to other galaxies is an important part of our ability to understand how the universe works...
Stars like the Sun have dark spots on their surfaces. These dark spots are important for astronomers, because they...
On a summer day in 2017, astronomers around the world received a message about an exciting collision of two stars far...
Telescopes are the fundamental instruments that astronomers use to make discoveries about the Universe. With...
In this article we go over the process of star formation for regular Sun-like stars. The article describes the galaxy’s...
Until recently, the only way to observe the Universe was from light received by telescopes. But we are now able to...
Of the thousands of stars known to host exoplanets, or planets outside of the Solar System, a particularly fascinating...
Recently, thousands of planets have been discovered orbiting distant stars, which we call exoplanets. Most of them have...
Ordinary matter such as atoms make up only about 15% of all the matter in the universe. The other 85% is “dark matter”...
Astronomers believe that they have seen the shadows of a giant ring system around an unseen planet move in front of...
Of all the questions that science might hope to answer, few excite people more than "is there life on worlds other than...
Radio astronomy began in 1933 when an engineer named Karl Jansky accidentally discovered that radio waves come not just...
