Space

A discarded SpaceX Falcon 9 rocket upper stage has slammed into the Moon at roughly 5,400 mph, creating a fresh...

TL;DR: A spent SpaceX Falcon 9 rocket stage has reportedly impacted the Moon after drifting through space for more than...

For decades, astronomers have tried to answer one of humanity's oldest questions: What does the universe really look like on...

China has significantly expanded its military satellite capabilities over the past decade, prompting growing concern among U.S. defense officials about...

NASA is studying a futuristic mission concept that could one day become the first spacecraft to collect and analyze material...

For more than a century, one of cosmology's biggest paradoxes has remained unresolved: if the second law of thermodynamics says...

Astronomers have uncovered new evidence suggesting that the Milky Way underwent a dramatic transformation around 10 billion years ago, when...

Space is becoming increasingly crowded, commercially valuable, and strategically important, raising fresh concerns among scientists about how humanity is using...

The growing militarization of space, the rapid expansion of satellite networks, and increasingly compressed nuclear decision timelines could create dangerous...