How can we use light to learn about the universe? How can we measure the properties of planets, stars, and galaxies? How can we explore our cosmic origins and the history of the universe? This course ...

The online course offers college credits and has four world-renowned scientists as its instructors. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Editor’s note: First-year students, prospective students (and some of their parents) wonder and worry how they will handle the academic transition from high school to college. In a series of stories, ...