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Science

56092 posts
SScience
A NASA instrument the size of a toaster, riding inside the Perseverance rover, converted Martian air into 122 grams of breathable oxygen between 2021 and 2023 — enough to keep a small dog alive for 10 hours, and proof that astronauts could one day make the fuel to fly themselves home
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A NASA instrument the size of a toaster, riding inside the Perseverance rover, converted Martian air into 122 grams of breathable oxygen between 2021 and 2023 — enough to keep a small dog alive for 10 hours, and proof that astronauts could one day make the fuel to fly themselves home

  • July 29, 2026
The strangest thing about MOXIE is that 122 grams can sound both tiny and enormous. On Earth, it…
EEnvironment
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Invasive yellow-legged hornet detected in North Carolina

  • July 29, 2026
UNION COUNTY, N.C. (WLOS) — The North Carolina Department of Agriculture and Consumer Services (NCDA&CS) confirmed the first…
SSpace
Kiwi space capsule startup takes off with $10.5 million pre-Seed raise
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Kiwi space capsule startup takes off with $10.5 million pre-Seed raise

  • July 29, 2026
An Auckland-based startup has raised US$7.35 million (A$10.5m) in pre-seed funding to build commercial payload capsules for space.…
WWildlife
Bighorn Basin Golden Eagle Hit By Car And Lead Poisoning Now Raising Young
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Bighorn Basin Golden Eagle Hit By Car And Lead Poisoning Now Raising Young

  • July 29, 2026
Eagle 2N is raising young with her mate in the Bighorn Basin, but by all rights she shouldn’t even be…
SScience
Cockroaches Have a 'Collective Memory' That Emerges From Their Social Networks : ScienceAlert
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Cockroaches Have a ‘Collective Memory’ That Emerges From Their Social Networks : ScienceAlert

  • July 29, 2026
The collective memory of the tribe can be crucial to survival. For many animals, safety lies in numbers…
EEnvironment
Extreme heat and dangerous ocean rip currents about to hit San Diego County – San Diego Union-Tribune
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Extreme heat and dangerous ocean rip currents about to hit San Diego County – San Diego Union-Tribune

  • July 29, 2026
A large high-pressure system will move into San Diego County late Wednesday, triggering several days of extreme heat…
SSpace
Cassini was deliberately flown into Saturn in September 2017 while still working perfectly, because the alternative was letting a dying spacecraft carrying Earth bacteria eventually drift into Enceladus, a moon with a liquid ocean and hydrothermal vents on its floor.
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Cassini was deliberately flown into Saturn in September 2017 while still working perfectly, because the alternative was letting a dying spacecraft carrying Earth bacteria eventually drift into Enceladus, a moon with a liquid ocean and hydrothermal vents on its floor.

  • July 29, 2026
On 15 September 2017, Cassini entered Saturn’s atmosphere while eight of its instruments were still returning data. The…
SScience
Mount Erebus
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This Volcano in Antarctica Is Spewing out $6,000 Worth of Gold Dust Per Day — But You Can’t Go Get It

  • July 29, 2026
Antarctica’s Mount Erebus has been erupting for more than half a century, churning a permanent lava lake beneath…
EEnvironment
Judge allows federal land transfer to state that will support Ambler Road and Alaska LNG
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Judge allows federal land transfer to state that will support Ambler Road and Alaska LNG

  • July 29, 2026
The Gates of the Arctic National Park and Preserve, where the Ambler Road project would pass through, is…
SSpace
Chinese startup raises funds for space situational awareness constellation, joining commercial SSA rush
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Chinese startup raises funds for space situational awareness constellation, joining commercial SSA rush

  • July 29, 2026
SINGAPORE — A Beijing-based startup has secured around $14 million to build a satellite constellation for tracking orbital…
WWildlife
Can we save leopard sharks? These scientists think so : Short Wave : NPR
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Can we save leopard sharks? These scientists think so : Short Wave : NPR

  • July 29, 2026
Two leopard shark pups snack on snails at the nursery in Raja Ampat, Indonesia in December 2025. Claire…
SScience
Inside the Painful End of the Saber-Toothed Cat
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Inside the Painful End of the Saber-Toothed Cat

  • July 29, 2026
Saber-toothed cats may have been limping toward extinction long before they vanished. A new study of more…
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