The Universe is: Expanding, cooling, and dark. It starts with a bang! #Cosmology Science writer, astrophysicist, science communicator & NASA columnist.
You’ll frequently hear people say “the science is settled.” Scientifically speaking, can it ever be?
How was Earth’s most well-known precious metal made?
Take a moment today to appreciate exactly how lucky we are to have what we do.
“Red and dead” might describe the stars in most ellipticals, but this nearby galaxy tells a different story.