A new Pentagon report on threats in space warns that China and Russia are both developing capabilities to threaten the US' preeminent position, including lasers that could target and destroy US satellites.
A year after Cassini ended its 20-year mission to study Saturn, the last data the spacecraft recorded before plunging into the planet's atmosphere are revealing its long-held secrets.
An experimental cleanup device called RemoveDebris has successfully cast a net around a dummy satellite, simulating a technique that could one day capture spaceborne garbage.
Innovation, massive investment and lower costs are fueling a new commercial space race.
