Two entirely different ways of “weighing” the cosmos are producing disparate results. If more precise measurements fail to resolve the discrepancy, physicists may have to revise the standard
The ‘double boomerang’ of an x-shaped radio galaxy. These big blue jets are about 100 times longer than the entire Milky Way. Spied through a normal telescope, the galaxy PKS 2014−55 is an unremarkable smudge of bright light. But look…
A painting of the 45-million-year-old saber-toothed anchovy Monosmilus chureloides chasing a shoal of smaller anchovies … until the early whale Dalanistes snaps it up. Scientists have discovered the remains of two ancient fish that sported fanged teeth on their lower…
You may have once learned that “warm air rises, and cool air sinks.” But that doesn’t always hold true. That’s because the buoyancy of air — its ability to rise — is dictated both by its temperature and by how…
THE end of the world was predicted to occur in 2020, following a “global catastrophe” brought on by unlimited economic growth by the global superpowers, according to a book written almost 50 years ago. The Limit to Growth was published…
LIFE after death is real, at least according to a man who claims to have left his body after a suffering a near-fatal heart attack. The man, who only shared his name as Craig, said his spirit left his body…