More like Grey Earth

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ThistledownSeries
series5 books1978
completed
Set in space.
Start with The Wind from a Burning Woman →
Schild's LadderNovel
Greg Eganstandalone novel2002
About technological singularity and ecological collapse, set in space and deep space.
DiasporaNovel
Greg Eganstandalone novel1997
About mind uploading and artificial intelligence, set in space and other star systems.
A Meeting with MedusaSeries
series2 books1971
About aliens and immortality, set in space and outer planets & moons.
“Arthur C. Clarke's A Meeting with Medusa follows an astronaut, badly injured in an earlier disaster, on a solo balloon expedition into Jupiter's atmosphere, where he encounters vast floating lifeforms unlike anything previously catalogued.”
from the catalogue
Start with A Meeting with Medusa →
XeeleeSeries
series89 books1987
About aliens, set in space.
“The Xeelee are described as symbiotic entities composed of spacetime defects, Bose–Einstein condensates, and baryonic matter.”
from the catalogue
Start with Raft →
IncandescenceNovel
Greg Eganstandalone novel2008
Mysterious in tone, about aliens, set in other star systems.