SpaceX's ambitious plans for interplanetary travel suffered a setback as their Starship rocket exploded during a test flight, highlighting the risks and challenges of exploring beyond our planet.

SpaceX's largest and most powerful rocket, the Starship, exploded within minutes after takeoff in a test flight that took place in Boca Chica, Texas on April 20, 2023. The rocket was expected to be the first step towards landing a human on Mars. The two sections of the rocket system were unable to separate properly after takeoff, causing the spacecraft to fail.

The uncrewed sub-orbital test marked the first "fully stacked" trial in which the Starship cruise vessel, designed to carry up to one hundred astronauts, was placed on top of the Super Heavy booster rocket, whose 33 Raptor engines provided the immense thrust needed. Elon Musk, the founder of SpaceX, developed Starship so that humans can eventually become an interplanetary species, and to begin the colonization of Mars.

Unlike NASA, which attempts to avoid risk, SpaceX has a record of showing a willingness to have test flights explode, with Musk saying the private venture benefits from understanding what goes wrong. SpaceX had previously cautioned that the chances of success were low, and that the aim of the test flight was to gather data, regardless of whether the full mission was achieved.

NASA has also contracted SpaceX to land astronauts, including the first woman, on the moon as part of its Artemis program, and the company claims that Starship will be able to transport dozens of people on long-duration interplanetary flights. It already has a privately funded trip for eleven people around the moon scheduled for this year, although that timing now appears unrealistic.