The competition between billionaire space entrepreneurs Elon Musk and Jeff Bezos has reached a new level.
Learn more about SpaceX's Falcon Heavy rocket, the world's most powerful booster, which made its debut flight on Feb. 6, 2018.
SpaceX's Falcon 9 and Falcon Heavy rockets can launch weightier spacecraft than previously thought, company officials said.
Here's a brief look at the plans private organizations such as SpaceX and Netherlands-based nonprofit Mars One have hatched to explore the Red Planet.
NASA's Green Propellant Infusion Mission, which will test the unique attributes of a high-performance, nontoxic, "green" fuel on orbit, is being prepped for launch in 2017.
Here's a brief rundown of the biggest spaceflight miletones to keep an eye out for in 2016, from a NASA probe's arrival at Jupiter to the highly anticipated maiden flight of SpaceX's huge new rocket.
SpaceX's three-core Falcon Heavy rocket is a mega-booster that would be the largest, most powerful launch vehicle since NASA's Saturn V moon rocket. Here's how SpaceX's Falcon Heavy rocket works.
See photos of Dragon, Grasshopper and other SpaceX rockets taken since the company was founded in 2002.
The private spaceflight company SpaceX is building a giant rocket called the Falcon Heavy. See images of the planned Falcon Heavy heavy-lift booster in this Space.com gallery.
A look at the "Red Dragon" mission concept, which would use SpaceX's Dragon capsule and Falcon Heavy rocket to bring Red Planet samples — perhaps gathered by NASA's 2020 Mars rover — to Earth.