The forces of rotation caused red hot masses of stones to be torn away from the Earth and to be thrown into the ether, and this is the origin of the stars.

— Anaxagoras 428 BC

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Carbon dioxide levels in the atmosphere just hit a ‘depressing’ record high

Tue, 05/05/2026 - 4:15pm

These data come from the National Oceanic and Atmospheric Administration’s Mauna Loa Observatory, which may soon be shut down because of proposed government budget cuts

Categories: Astronomy

Babies may ‘catch’ yawns from their mother in the womb, new study finds

Tue, 05/05/2026 - 3:00pm

Researchers found that fetuses were more likely to yawn when their mother did, suggesting humans may experience yawn contagion throughout their life

Categories: Astronomy

Why some mathematicians think we should abandon pi

Tue, 05/05/2026 - 2:00pm

A growing minority believes it’s a mistake to tie so many mathematical formulas to the famed 3.14... value. Another value, tau, could be better

Categories: Astronomy

Jeff Bezos’s Blue Origin moon lander completes a crucial test as race with SpaceX heats up

Tue, 05/05/2026 - 12:00pm

NASA announced that this uncrewed lander, named Endurance, completed vacuum testing on Earth—a key step toward a planned launch later this year

Categories: Astronomy

Does a psychedelic trip change your brain? A new study offers a tantalizing clue

Tue, 05/05/2026 - 11:45am

Scientists gave people a “heroic” dose of psilocybin and then looked at their brain. Here’s what happened

Categories: Astronomy

A decade of research reveals harms of ‘fitspiration’ content online

Tue, 05/05/2026 - 11:00am

The Internet loves fitness-motivation content. Olympian and researcher Valerie Gruest explains why it can be so harmful

Categories: Astronomy

How scientists made the discoveries behind a game-changing gene therapy for sickle cell disease and won a $3-million Breakthrough Prize

Tue, 05/05/2026 - 7:00am

Stuart Orkin and Swee Lay Thein shared a Breakthrough Prize in Life Sciences for their research on genetic causes of sickle cell disease and beta-thalassemia that set the stage for approved gene therapies. The treatments are not accessible to everyone, though

Categories: Astronomy

Humpback whales sometimes hang out with their mouth open, baffling scientists

Tue, 05/05/2026 - 6:00am

Scientists are trying to decode why humpback whales can be observed hanging around with their mouth open, with no apparent explanation

Categories: Astronomy