As more space junk is falling to Earth uncontrolled, scientists are using seismometers to track the debris.

Just as we are reckoning with how to conserve ecosystems on Earth for future living creatures, we must think of space as an ...

The space debris problem won't solve itself. We've been kicking the can down the road for years as we continue launching more rockets and payloads into space. In the last couple of years, ...

Cai Xuzhe and Song Lingdong, part of China's three-person Shenzhou 19 mission, completed an 8.5-hour extravehicular activity ...