It turns out that the first fast radio burst (FRB) ever found in the Milky Way is not a one-off.
Scientists have discovered the first fast radio burst that beats at a steady rhythm, and the mysterious repeating signal is coming from the outskirts of another galaxy.
Mark Halpern and his team are in a race against time to study dark energy's role in the expansion of our universe.
Interference is playing havoc with radio telescopes.
Dark energy is driving the accelerating expansion of the universe. No one knows what it is.