A 149-million-year-old fossil from China’s Fujian Province has upended a decades-old assumption about avian evolution. The newly described Zhengheornis buyu, a long-tailed early bird no larger than a starling, possessed only 15 shortened tail vertebrae—far fewer than its relatives—yet lacked a pygostyle, the fused tail-bone of modern birds. Published in Science Advances, the specimen demonstrates that the reduction and shortening of the tail preceded the evolution of the pygostyle, reversing the widely accepted order of these transitions. At an estimated 74–163 grammes and with a femur 10% shorter than the smallest known Archaeopteryx, the bird also suggests that some early avialans underwent rapid miniaturisation, likely as they adapted to arboreal habitats and powered flight.

That reordering of evolutionary steps echoes a separate reappraisal of Homo floresiensis, the diminutive hominin from the Indonesian island of Flores. Cut marks on Stegodon bones found alongside the hobbit’s tools at Liang Bua cave had long been read as evidence of coordinated hunting. A new taphonomic analysis, also in Science Advances, compared those marks with Komodo dragon bite traces and found that the reptiles had first access to the meatiest parts of carcasses, while stone-tool incisions clustered on low-yield areas such as feet and ribs. The pattern points to passive scavenging rather than active big-game hunting, and a concurrent review of sedimentary layers shows that charcoal and burned bone at the site date only to the later arrival of Homo sapiens. Viewed from Jakarta, the study reshapes perceptions of hobbit cognition but in no way diminishes the species’ resilience: it survived on an isolated, predator-rich island for nearly a million years.

Across the palaeontological spectrum, the power of new imaging is reviving museum specimens. Researchers from England and Argentina used CT scanning to re-examine fossils collected in 1870 from the Old Red Sandstone of Herefordshire and recognised them as a new genus of giant scorpion, Praearcturus gigas. The creature’s claws measured 16 cm and its body about 30 cm; extrapolation suggests a total length approaching one metre. Described in Palaeontology, it is interpreted as a semi-aquatic apex predator that may have ventured onto land to moult or to feed on early terrestrial invertebrates, offering a rare window into the Devonian water-to-land transition 415 million years ago.

A separate giant, the sauropod Nagatitan chaiyaphumensis, has emerged from Thailand’s Early Cretaceous rocks. Described in Scientific Reports from vertebrae, ribs, pelvis and limb bones unearthed in Chaiyaphum Province, the animal stretched more than 27 metres and weighed close to 30 tonnes. Its phylogenetic position indicates that sauropod gigantism evolved independently in Southeast Asia, driven by warm, open habitats near the palaeo-equator. Together, these studies—each grounded in peer-reviewed morphology and stratigraphy—illustrate how fresh analytical techniques and new field discoveries are steadily refining the narrative of life’s deep history. The next phases of fieldwork at Liang Bua, the Anglo-Welsh basin and Thai fossil sites will test the hypotheses laid out in these publications.