MCDONALD OBSERVATORY, Texas — The Mcdonald Observatory is attracting visitors from all over the world who are making a stop before they head to their destinations to get in the path of totality to ...

Join McDonald Observatory to enjoy some virtual live views of the Moon in preparation for NASA’s International Observe the Moon Night! Your hosts will show you views from a camera attached to a ...

For centuries, people thought that the Milky Way was the edge of our universe. That was, until Edwin Hubble found a variable star in the Andromeda galaxy and we were able to literally expand our ...