A 1990 experiment to test whether we could discern life on Earth remotely
9
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Showing only topics with the tag "author.alexandra witze".
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Greenland's massive ice sheet could experience runaway melting if the world overshoots climate targets – but even then quick action could stabilize it
6 votes -
Life in the cosmos: JWST hints at lower number of habitable planets
36 votes -
How coral atolls get their gorgeous ring shapes
4 votes -
Surprise! First peek inside Mars reveals a crust with cake-like layers
4 votes -
SpaceX tests black satellite to reduce ‘megaconstellation’ threat to astronomy
15 votes -
Five things you didn’t know GPS could do
13 votes -
Hubble telescope spies water [cycle] on distant world
12 votes -
Scientists are setting a forest on fire and studying it with drones
5 votes -
Mars methane hunt comes up empty, flummoxing scientists
6 votes