More policy experts are using science fiction to spice up doom-and-gloom reports of the world's future.
Injecting calcite particles into the stratosphere could repair the ozone hole and slow climate change, but experts say carbon cuts and new tech are needed instead.
NASA assembles the mirrors for the James Webb Space Telescope's 2018 launch, but unlike Hubble, there's no chance to fix it in space.
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.
Hollywood has become dominated by blockbusters that recycle past stories, comics and previous films.
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