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Humans and Neanderthals interbred - but it was mostly male Neanderthals and female humans who coupled up, study finds - By - Kristina Killgrove - published - 26 February 26 - A preference for pairings between male Neanderthals and female Homo sapiens may answer the question of why there are "Neanderthal deserts" in human chromosomes.

3 hours ago

Rubin Observatory alerts scientists to 800,000 changes in the sky in one night - By - Elizabeth Howell - published - 26 February 26 - The Vera C. Rubin Observatory sent scientists nearly 1 million astronomy alerts in one night, showing off changes in the sky. Eventually, the telescope is expected to reach 7 million alerts per night.

6 hours ago

Giant 'spiderwebs' on Mars contain tiny egg-like structures that scientists 'can't quite explain,' NASA rover reveals - By - Harry Baker - published - 26 February 26 - New photos captured by NASA's Curiosity rover show that Mars' giant, spiderweb-like "boxwork" features are covered in tiny, never-before-seen nodules that bear a striking resemblance to arachnid eggs. And researchers are struggling to explain them.

6 hours ago

Fresh look at Apollo moon rocks solves decades-old lunar mystery - By - Elizabeth Howell - published - 26 February 26 - The lunar rocks collected by Apollo astronauts suggested the moon had a strong magnetic field. A new analysis shows the opposite.

22 hours ago

Babies weren't supposed to be mourned in the Roman Empire. These rare liquid-gypsum burials prove otherwise. By - Kristina Killgrove - published - 25 February 26 - Despite historical records saying otherwise, Roman babies were mourned at death, research into unique plaster burials from York reveals.

1 day ago

Chinese astronauts describe moment a crack was discovered on Shenzhou-20 spacecraft - By - Patrick Pester - published - 25 February 26 - Taikonauts from the ill-fated Shenzhou-20 mission have described what happened when they discovered cracks on their spacecraft as they prepared to depart China's Tiangong space station last year.

9 hours ago

Kazakhstan plants tens of thousands of trees in giant effort to reintroduce tigers - By - Patrick Pester - published - 25 February 26 - Kazakhstan planted 37,000 seedlings and cuttings in South Balkhash last year to prepare for the return of its tigers, which disappeared more than 70 years ago.

1 day ago

We now know why shoes squeak, and it involves miniature lightning bolts - By - Kenna Hughes-Castleberry - published - 25 February 26 - Harvard engineers think they've found the reason basketball shoes squeak, and it's due to pockets of friction between the rubber and the court.

1 day ago

Physics & Mathematics

13 days ago

'Rare and enigmatic' structures found at the Milky Way's center in largest-ever map of its kind - By - Brandon Specktor - last updated - 25 February 26 - Scientists using the ALMA telescope have created the most-detailed-ever map of the Milky Way's chaotic center. The observations could open a window to the ancient universe as it appeared shortly after the Big Bang.

1 day ago

COVID-19 vaccination during pregnancy may cut risk of preeclampsia - By - Gabriela Galvin - published - 25 February 26 - A study of more than 6,500 mothers found that COVID-19 vaccination during pregnancy significantly lowered the risk of preeclampsia, a dangerous blood-pressure disorder.

1 day ago

14,000-year-old ivory tools found in Alaska hint at how Clovis ancestors first arrived in the New World - By - Charles Q. Choi - published - 24 February 26 - Ancient artifacts unearthed in Alaska revealed migrants from Asia might have come to the Americas via an inland route, and not a coastal path.

2 days ago

Far fewer people are related to Genghis Khan than previously assumed, new genomic study suggests - By - Kristina Killgrove - published - 24 February 26 - Some experts have suggested as many as 1 in 200 men in the world are related to Genghis Khan. But a new genomic study reveals the number is significantly lower.

2 days ago