arstechnica.com / .arstechnica-com-science

Congress will likely reject the White House's NASA cuts, just as it did last year.

Ice Age hunter-gatherer "were intentionally relying on random outcomes in repeatable, rule-based ways."

Experiments show large majorities uncritically accepting "faulty" AI answers.

A receptor that's used to find prey is also activated by progesterone.

Collection of fossils includes Ediacaran, Cambrian species, suggesting a transition.

And solar power accounted for about three quarters of the renewables.

Sperm gets lost in space; raccoons solve puzzles; the physics of folding a crepe; and more.

Pair instability supernovae create a "mass gap" in black holes.

Sweden is bringing back books amid declining test scores.

It'll go when the engines light at T-0."