Life
A fine-tuned universe may be controversial but can’t be ignored
The suggestion that our universe has physical laws and constants inexplicably just right for life is in the ascendant. Expect a heated debate, says Geraint Lewis
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Space
NASA revives 50-year-old idea to recycle space stations in orbit
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Physics
General relativity passes test at Milky Way’s central black hole
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Space
SpaceX launches first reused Dragon capsule full of research
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Physics
LIGO鈥檚 third detection hints at how black hole binaries are born
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Space
Rings and asteroids may explain 鈥榓lien megastructure鈥� star
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Space
Strange cosmic radio burst pinned down to giant stellar nursery
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Space
Tangoing pairs of hungry supermassive black holes grow in number
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Space
Astronomers scramble as 鈥榓lien megastructure鈥� star dims again
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Physics
LIGO could detect gravitational waves鈥� permanent space-time warp
When gravitational waves permanently distort space-time, it causes a 鈥渕emory鈥� signal 鈥� which may help LIGO find some of the universe鈥檚 most exotic objects
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Space
Titan鈥檚 riverbeds show a terrain built more like Mars than Earth
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Space
Stars can start shining at a smaller mass than we thought
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Space
Watch Cassini’s first two dives between Saturn and its rings
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Space
Marvel at the images from Cassini’s first Grand Finale orbit
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