For decades, scientists have speculated about the existence of dark matter, the invisible substance that makes up most of the universe’s mass. Now, thanks to groundbreaking research using NASA’s Fermi ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. For about 50 years ...
Have you ever stood by the sea and been overwhelmed by its vastness, by how quickly it could roll in and swallow you? Evidence suggests that we are suspended in a cosmic sea of dark matter, a ...