A SpaceX Falcon 9 rocket burned up during an uncontrolled re-entry and left behind a detectable plume of chemical pollution ...
Scientists detected a lithium spike nearly 60 miles above Earth and traced it to a Falcon 9 rocket re-entry, raising concerns.
BEIJING -- China's defunct and reportedly out-of-control Tiangong 1 space station is expected to re-enter Earth's atmosphere sometime this weekend. It poses only a slight risk to people and property ...