Magazine

Stars

How high-speed stars escape the galaxy

Robotic Spaceflight

What frequencies does NASA use to communicate with spacecraft?

Science

What is an astronomer’s biggest nightmare?

Science

A look inside the constellation Hydra

Observing, Planets

Mars sweeps past the Pleiades

Observing

A rare solar halo display

Science

How will engineers interact with artificial intelligence?

Telescopes and Equipment

We test Sky-Watcher USA’s Evostar 150

Milky Way

When was the Milky Way formed?

Science

Are any of the planets’ average distances from the Sun changing? Is Neptune moving away to fit Bode’s law?

Observing

Bright treasures in the constellation Leo

Science

Georges Seurat’s sky