Charleston, SC, astronomy professor answers questions from high school students about wormholes, black holes, colonizing Mars, outer space odors and more.

A new proposal suggests borrowing the "Conference of the Parties" model from climate diplomacy to update space law before ...

Ask ten experts where space begins and you might get ten different answers. The atmosphere doesn’t end like a wall—it thins out gradually, so any “edge” is partly a human decision. That decision ...

After years of work building an exquisitely sensitive instrument, University of Chicago scientists stood and watched as it flew up and out of sight into the fiercely blue Antarctic sky. Launched on ...