Trump’s pledge to go to Mars without mentioning the moon has caused some head-scratching and even consternation in the media.

Starship’s future: SpaceX plans to eventually use Starship to carry convoys of people to Mars. It’s also the vehicle that NASA selected ... carried out on its last flight in November.

The year 2025 puts us one quarter of the way through the 21st century. We'll spend the year looking back at some of the amazing advances we've experienced. In this episode: privatized space travel.

Today marks 39 years since the tragic Space Shuttle Challenger disaster, honoring the brave pioneers who lost their lives in space.

Unusually high winds at Edwards Air Force ... capped off the shuttle era, following Discovery’s final flight in February and Endeavour's in May. After the last missions, NASA's fleet of three ...

He proposed sending men to Mars ... Shuttle program’s Approach and Landing Tests (ALT). A tail cone over the main engine area of Enterprise smoothed out turbulent air flow during flight. Image ...

While SpaceX lost the upper stage of its new Starship in a flight test, the futuristic spacecraft presages a spaceflight revolution, says a leading U.S. space scholar.

It was the first transcontinental flight to average supersonic speed. In 1998, Glenn took part in a 9-day mission on the STS-95 Discovery shuttle ... a NASA contract to launch two Mars probes ...

On this day in history, the Challenger space shuttle exploded, killing all seven inside. On Jan. 28, 1986, an explosion took ...