At more than 400 feet tall, SpaceX's Starship spacecraft has earned the title as the world's largest rocket. Here's how it compares to others.

Starship is the centerpiece of Musk's vision of sending the first humans to Mars, and is also critical in NASA's plans to return astronauts to the moon's surface for the first time in five decades.

The 11th flight test of SpaceX's Starship megarocket is on the launch pad and preparing to launch Monday evening. The launch ...

All of the original US senators who created and sustained NASA's Space Launch System rocket over the last 15 years—Bill Nelson, Kay Bailey Hutchison, and Richard Shelby—have either retired or failed ...