Excitement over the Artemis II launch to the moon has raised some questions about the cost. The U.S. government has spent at least $93 billion and counting on the Artemis program, which seeks to ...

SpaceX tries to launch a bigger version of Starship but hits a series of last-minute problems Neil deGrasse Tyson takes on aliens and how we should greet them in ‘Take Me to Your Leader’ Mexico City ...