Noctilucent clouds glow all July, even when stargazers think nothing is out there
A real summer sky phenomenon forms near 50 miles up, and it rewards the patient (not the telescope spreadsheet).

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810 briefings briefings in Science
A real summer sky phenomenon forms near 50 miles up, and it rewards the patient (not the telescope spreadsheet).
Applied Animal Behavior Science research suggests “friendly” mutual grooming can function as subtle social sabotage.
The $20 billion annual crop-loss hit is happening now, and it is projected to keep climbing as warming continues.
New lab stretching results suggest nonelastic fluids can split in ways engineers did not expect, with downstream design implications.
From childhood trips to the Centre for Wildlife Studies CEO role, she shows how conservation becomes a career, not a hobby.
From Cold War nuclear scares to asteroid airbursts, the briefing explains what actually prevented the worst outcomes.
A China team says a tough gel electrolyte blocks dendrites, easing the two biggest EV battery fears: speed and safety.
The fix targets the short-circuit trigger in solid-state batteries, a step toward safer, longer-lasting devices and EVs.
An event in London says AI is accelerating proof formalization, raising questions for how we validate math and software.
A Grammy-winning band lands on Big Loud Rock and releases its first new music in two years, setting up a new label-era push.
A fast full-frame wildlife camera upgrade that keeps workflow simple, without forcing you fully into pro gear.
What let some marine species live through 252 million years ago, and why most others failed.