Delta's Las Vegas Sphere keynote was the hot ticket at this year's CES -- and it ended up stealing the entire show.

Though 2025 won't mark the return of astronauts into deep space as NASA had hoped, launchpads still will be scorching-hot from a procession of robotic spacecraft attempting to land on the moon. How ...

As usual, the show ran the gamut from the silly to the innovative to the practical.