Science
Six days after capturing a crescent view of Earth slipping behind the Moon, the crew of Artemis II has returned to Earth as their image, known as “Earthset,” gains global attention and comparisons to the historic “Earthrise” photograph from Apollo 8 in 1968. The photograph was......
A long-period comet from the outer reaches of the solar system is now visible before dawn, offering a limited viewing window for observers in the Northern Hemisphere. The comet, C/2025 R3 (Pan-STARRS), was spotted with the naked eye on April 11 at an estimated magnitude of 5.1. It was first discovered......
Chinese scientists have developed the first crystal capable of generating the ultraviolet light required to power thorium-based nuclear clocks, marking a key step toward navigation systems that can operate without GPS. The material, a fluoroborate compound created by a team led by Pan Shilie at the......
The four astronauts of NASA’s Artemis II mission—three Americans and one Canadian—have safely returned to Earth after completing a historic test flight around the Moon, marking a major milestone in the renewed era of lunar exploration. The crew, including Commander Reid Wiseman, Christina......
When people picture a familiar face or recall a place, the brain activates many of the same neurons involved in seeing it. A study published on April 9 in Science by researchers at Cedars-Sinai provides detailed evidence at the single-neuron level that visual perception and mental imagery rely on a shared......
The NASA Artemis II mission encountered repeated malfunctions in its onboard toilet system as the crew returns from a historic lunar flyby, highlighting ongoing technical challenges aboard the Orion spacecraft. The issues began shortly after launch from the Kennedy Space Center on April 1, when astronauts......
A team of researchers has digitally reconstructed the face of a woman who lived around 6400 years ago in what is now Morocco, offering a rare glimpse into prehistoric populations in North Africa. The reconstruction was carried out by Ancestral Whispers using advanced imaging techniques and academic......
A 250-million-year-old fossilized egg containing a Lystrosaurus embryo provides direct proof that mammal ancestors laid eggs. The stout tusked creature dominated Earth after history's worst mass extinction. Findings published Wednesday in PLOS ONE answer a question that puzzled evolutionary biologists......
An international team uncovered genetic evidence of a sharp demographic collapse followed by population replacement in northern France around 5,000 years ago. The findings, published April 3 in Nature Ecology and Evolution, shed light on a key puzzle of European prehistory. Researchers analyzed DNA from......
Researchers at the Institute of Science and Technology Austria have demonstrated that Escherichia coli bacteria can rotate tiny disc-shaped objects without touching them, using only the fluid forces generated by their motion. The findings, published in Nature Physics, reveal a previously unknown mechanism......
A decade-long effort to precisely measure the mass of a fundamental particle has produced a result that bolsters physicists' leading theory of the universe. The CMS collaboration at CERN reports in Nature that the W boson has a mass of 80,360.2 ± 9.9 megaelectronvolts, fully consistent with......
Astronomers have discovered what appears to be the first reliably detected pair of supermassive black holes orbiting each other at close range at the center of the galaxy Markarian 501. The finding, announced Monday by the Max Planck Institute for Radio Astronomy in Bonn, opens a rare window into one......
The four astronauts aboard NASA's Artemis II mission experienced a total solar eclipse Monday evening as their Orion spacecraft rounded the far side of the Moon, capping a day of historic milestones on the first crewed lunar voyage in more than half a century. The eclipse, visible only from the......
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