10 years ago, gravitational waves changed astronomy. A new discovery shows there’s more to come
Ten years ago, scientists heard the universe rumble for the first time. That first discovery of…
The most powerful tool in an astronomer’s arsenal is a lens – but not the kind you might think
Astronomers are living in a golden age of bigger and better telescopes. But even our most…
Simulations find ghostly whirls of dark matter trailing galaxy arms
“Basically what you do is you set up a bunch of particles that represent things like…