SpaceX, billionaire Elon Musk's commercial spaceflight company, says it's working on a "simplified" plan for its Starship megarocket to land astronauts on the moon. The revelation, which was shared ...

The plan hinges on SpaceX being able to demonstrate that Starship can refuel in orbit. NASA awarded a contract to SpaceX now worth $4.4 billion to develop a lander capable of transporting humans to ...

"We've shared and are formally assessing a simplified mission architecture and concept of operations that we believe will result in a faster return to the moon while simultaneously improving crew ...

As part of this move, Duffy asked NASA’s current lunar lander contractors, SpaceX and Blue Origin, for more nimble plans. Neither has specified those plans publicly, but a recent update from SpaceX ...

WASHINGTON — Elon Musk's SpaceX on Thursday said it proposed to NASA a simplified plan to send humans to the moon using its Starship rocket as the agency presses its contractors to move more quickly ...

Einstein explained that gravity affects each passing second. Clocks slow down where gravity grows stronger. Clocks speed up ...

In a cafe at CERN in 1992, three physicists realized they disagreed about how many constants are needed to describe all of nature. A recent paper suggests only one – time – is necessary.

WASHINGTON, Oct 30 (Reuters) - Elon Musk's SpaceX on Thursday said it proposed to NASA a simplified plan to send humans to the moon using its Starship rocket, as the agency presses its contractors to ...

In proposing its new plan for Starship, SpaceX also rejected the notion that progress for the world's largest rocket has been too slow. NASA is looking to return Americans to the surface of the moon ...