May 29, 2025 · Discover the secrets of the universe with the best astronomy courses from renowned instructors and universities.

Looking to learn astronomy? Explore and compare astronomy courses and certificates from leading universities and companies. Find the best fit — enroll for free and start today.

Our two introductory 6-session courses, Astronomy 101 and 102, are free to members taking them for the first time. These will be given and posted below, in early Fall for 101 and early …

Explore online astronomy courses to learn about the elements of the universe and begin your journey as an astronomer.

These online astronomy courses provide an avenue to learn about space science, from exploring our solar system’s intricacies to diving deep into topics like black holes and gravitational waves.

Choose from over 60 first and second year courses as part of your Earned Admission pathway. Earn credit toward 100+ degree programs.

This course focuses on three particularly interesting areas of astronomy that are advancing very rapidly: Extra-Solar Planets, Black Holes, and Dark Energy. Particular attention is paid to …

Learn about : Space, our SUN, Planets, Moons, Kuiper Belt, Oort cloud, Exoplanets, Galaxies, Asteroids and Meteors. Learning The Constellations. Get your team access to Udemy's top …

PHYS 110: Introductory Astronomy is a fully online, self-paced course that guides you through the mysteries of the cosmos — from our solar system to the origins of the universe.

Description: We will discuss the big questions of astronomy that have engaged scientists and the general public alike for centuries: How did the universe begin? What is the ultimate fate of the …