As NASA’s moon-landing plans with SpaceX hang in the balance, other bold ideas are quietly starting to take shape.

An interstellar comet that originated outside our solar system just flew by the sun. Next, the object will fly by Earth in December.

China’s Shenzhou-21 space rocket and its crew including the youngest member of its astronaut corps blasted off on Friday atop a Long March-2F rocket from the Jiuquan Satellite Launch Centre in ...

A gamma ray glow at our galaxy’s center has puzzled scientists for almost two decades. New computer simulations back the ...

SpaceX completed an hour-long Starship test flight — the last mission for the troubled V2 prototype that has failed several times this year.

Elon Musk lashed out at Transportation Secretary Sean Duffy on X Tuesday, after Duffy suggested NASA may sideline SpaceX from its moon mission.

Acting NASA Administrator Sean Duffy said SpaceX is “behind schedule” and thwarting the space agency’s ability to beat China back to the moon.

AI is driving surging demand for data centers, but they require a lot of land and huge amounts of energy. Now, some think the solution could be in space.

Some 15,000 NASA employees were sent home this week as a government shutdown began, halting work across much of an agency already grappling with budget cuts and widespread job losses. But at least one ...

Some Trump administration officials, including at the White House, have expressed frustration with Transportation Secretary Sean Duffy in recent weeks as internal wrangling over who will lead NASA ...