Star Wars Celebration is returning to Japan later this month, so here's a list of things we expect (and hope) to see addressed at the event.

A flag flown to the moon, a cookie from Cookie Monster and a locket gifted by an actress are now all space artifacts, having briefly left the planet with pop star Katy Perry and five more women.

The universe could be packed with dark matter haloes that have no galaxy fillings.

Blue Origin just launched Katy Perry and the first all-female crew to space April 14. Here are live updates for the NS-31 mission.

Blue Origin launched the first all-female spaceflight in more than 60 years today (April 14), sending Katy Perry and five crewmates on a brief trip to suborbital space.

Double solar eruptions could spark G2 geomagnetic storms and auroras above northern U.S. states on April 16. Keep your eyes on the skies!