THE son of a NASA scientist who was convinced he found aliens on Mars is begging the space agency to search again. American ...

The company is developing a larger vehicle, named Helios, that could meaningfully improve the ability of SpaceX's Falcon 9 ...

The Deuteronilus Cavus crater has been shaped by water, wind, ice and volcanic erosion over billions of years, showcasing ...

A crewed mission to Mars would rank among the most complex and costly undertakings in human history—and US President Donald ...

Before the ISS dies, however, it will help birth its own replacement—one that will be built and launched by the private ...