As space travel slowly becomes a thing, regulations may need to be updated to sort out who can fly what where.
Astronomers are developing a ground-based technique to spy the light glinting off orbiting satellites, dead spacecraft, cubesats and space junk to help safeguard low-Earth orbit.
The Japan Aerospace Exploration Agency (JAXA) is struggling to understand exactly what went wrong with its brand-new astronomy satellite, Hitomi, which suffered some sort of malfunction over the weekend and is apparently tumbling in space.
The device briefly made contact with ground crews but has since disappeared.
The first mission in a joint European-Russian campaign to look for life on Mars is scheduled for launch on Monday.
SpaceX waited out high winds and worked through a series of technical issues to send its 22nd Falcon 9 rocket soaring into space on Friday to deliver a communications satellites into orbit.
Tiny satellites could hitch a ride into orbit and spot alien worlds from afar.
A pioneering satellite is on its way to an orbital perch 930,000 miles away from Earth to test a new technique for detecting elusive ripples in space and time known as gravitational waves.
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