The curved and expanding universe has no other "side," per se.
After growing increasingly distant, two galactic siblings—the Milky Way and Andromeda—will reunite (billions of years from now).
Scientists have gathered detailed data measuring light from over 2,000 galaxies, some of which are up to several billion light years away from earth.
FAST is a new telescope that has panels that can shift position to create smaller curved dishes anywhere on its surface.
A Moment of Science gives a Science Hero Award to Galileo!
What makes Galileo our science hero? For one thing, he moved human knowledge forward against outstanding prejudice and even persecution. Learn more on this Moment of Science.
Are self replicating robots in our near future? Find out on this Moment of Science.
What's the lowest note in the universe? The answer may surprise you. Find out on this Moment of Science.
Is it true that if the laws of nature were changed even a little bit, there would be no people in the universe? Find out on this Moment of Science.
Are there really alien civilizations out there that we don't know about? Find out on this Moment of Science: "The Fermi Paradox".