The ancient city of Teotihuacan, located about 48 kilometers (30 miles) from Mexico City, is the site of several pyramids built in the period 100 BC to 250 AD. The name means “the place where men become gods.” Astrophotographer César Cantú captured this beautiful view of the stars over the pyramids. Enjoy the ancient landscape and even older starlight!
Like a performer preparing for their big finale, a distant star is shedding its outer…
For a little over a month now, the Earth has been joined by a new…
Despite decades of study, black holes are still one of the most puzzling objects in…
74 million kilometres is a huge distance from which to observe something. But 74 million…
Astronomers have only been aware of fast radio bursts for about two decades. These are…
How do you weigh one of the largest objects in the entire universe? Very carefully,…