Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

Using lunar ice to make rocket fuel could help future lunar settlements sustain themselves and provide a launch pad for ...

Readers Edition. This is the (nearly) annual tradition of you, RPS readers, telling us where we went wrong in our annual ...

We were overwhelmed by the response to our annual Letters to Santa feature, with more than 1,250 letters submitted this year. Due ...

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

Depending on who you ask — and what you’re willing to believe — aliens are real. And they’ve visited Vandenberg Space Force ...

Eschewing some of the genre's most out-there tropes and concepts, sci-fi movies like Children of Men and Arrival instead opt ...

For years, planetary scientists treated Titan as an ocean world in disguise, a frozen shell hiding a vast global sea of liquid water. Now a fresh look at old spacecraft data is overturning that ...

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

WASHINGTON — President ‌Donald Trump enshrined the U.S. goal to put humans back on the moon by 2028 and defend space from weapon threats in a sweeping executive order issued on Thursday, the first ...

Since its discovery, some people have speculated that interstellar visitor 3I/ATLAS could be alien technology. Harvard astrophysicist Avi Loeb points to its unusual trajectory and composition as ...

Scientists have long believed Saturn’s moon Titan hid a massive underground ocean, but new research suggests something even stranger: a deep, icy slush filled with pockets of warm liquid water that ...