Health

Prime Day telescope deal so good we bought one for ourselves

Stunning video shows sharks devouring sea urchins, spines and all

Medieval walrus ivory may reveal trade between Norse and Indigenous Americans hundreds of years before Columbus, study finds

Mount Everest is taller than it should be — and a weird river may be to blame

Newest Starlink satellites are leaking even more radiation than their predecessors — and could soon disrupt astronomy

Bizarre polar vortex over Antarctica delayed ozone hole opening, scientists say

South African rock art of mystery creature ‘strangely flexed like a banana’ might be tusked reptile that predated dinosaurs

Biggest black hole jets ever seen are as long as 140 Milky Ways

Fall equinox 2024: When it is, why it happens and what to look for

Physicists unveil 1D gas made of pure light