Tim Reyes

When is the next great comet?

There’s a nice binocular comet – Comet NEOWISE – in the early morning sky now. Some experienced observers are catching it with the eye alone. It’s nice … but not great. When will we see our next great comet?

Angara rocket key to Russia’s launch future

With development stalled many times over 20 years, successful Angara test flights have buoyed Russian hopes to compete in the space launch industry.