What is responsible for the excess radio emission from our nearest star, Proxima Centauri? No alien radio stations required!
Radio astronomers detect the first signature of a global 21cm signal with some interesting implications for dark matter.
The most distant quasar yet discovered illuminates the early universe…
If there’s one thing that 21st-century telescopes have shown us about Pluto, it’s that there’s still a lot we don’t know about our very far-off neighbor. Today we look into just one of Pluto’s many mysteries: the formation of its complex five-moon system.
Gravitational waves are believed to be able to “kick” black hole merger remnants out of their host galaxy. We can search for signatures of that kick directly in gravitational wave signals.
Earth’s geology and Galactic archeology combine catastrophically in the Colorado Plateau. What can we learn from this impactful formation?