This problem has stumped scientists for thousands of years. In this video, we explore: - Why is the sky dark? (00:53) - Is ...

The question of whether the cosmos goes on forever is no longer just a late night thought experiment, it is a live research ...

Is the universe infinite? It's one of the most profound questions we can ask, and here's the short answer: We don't know. While we have learned a great deal about the universe, a portion of the cosmos ...

This NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the Squid Galaxy. Everything on Earth, in our solar system, our galaxy, and beyond is contained within ...

When you bake a loaf of bread or a batch of muffins, you put the dough into a pan. As the dough bakes in the oven, it expands into the baking pan. Any chocolate chips or blueberries in the muffin ...

The old adage goes that if you give an infinite number of monkeys an infinite amount of time hitting random keys on a typewriter, one of them will eventually type out the complete works of William ...

Today is Yoko Ono’s 90th birthday. Since the late 1960s, John Lennon’s widow has served as a lightning rod for the ire of an overly large coterie of Beatles fans who would come to blame her for the ...