the oldest known dinosaur trace in Australia. Dating back approximately 230 million years to the dawn of the Late Triassic period, the 18.5-centimeter impression offers a rare glimpse into the continent’s prehistoric origins. Notably, the specimen...

a rare glimpse into ancient biological evolution. Paleontologists have uncovered an extraordinary relic from the Cambrian period, a 520-million-year-old larva that defies the typical limitations of the fossil record. While fossilization usually...

the Santiago crater itself exhibited a different pattern, showing consistent deflation throughout the entire six-year study period. This discrepancy suggests that the volcano does not rely on a single, monolithic reservoir, but rather a more complex...

a group of long-necked, herbivorous sauropods that dominated landscapes from the late Jurassic through the Cretaceous period. Based on the skeletal remains recovered from the Eromanga Basin—which include remarkably preserved shoulder blades, limbs, and...

and Evolution, provides critical data on the life cycles of dinosaurs that roamed the Earth during the Upper Cretaceous period. Because fossilized embryos are exceptionally fragile and rarely survive the conditions required for preservation, such finds...

the presence of the ring suggests the palace may have continued to function as an administrative hub well into the Roman period. The moment when the ring was found ©Christoph Gerigk/Franck Goddio/Hilti Foundation The Lighthouse of Alexandria,...

and small chambers that sometimes span multiple levels. While researchers generally date these structures to the medieval period, the absence of comprehensive historical records has fueled wild theories, including claims of extraterrestrial origins....

was not involved in the research, noted that the lack of genetic mixing provides insight into the social dynamics of the period, potentially indicating that non-genetic interactions occurred in the absence of biological relationships. Genetic analysis...

the site was continuously modified to meet the needs of the dense population living above it during the early Byzantine period. Ancient Byzantine-era tunnels uncovered beneath Hagia Sophia in Istanbul, Türkiye, February 27, 2026. Credit: Ministry of...

into their mugs. While the consumption of dairy milk and traditional sugar remained largely flat throughout the 15-year period, the use of non-dairy additives saw a sharp increase. Specifically, the average daily consumption of non-dairy creamers nearly...

policy that forced many early Christians into a dangerous dilemma. The individual in the grave may have lived through this period of state-mandated ritual. Archaeological investigations in the area, such as those at the Nida sanctuary, confirm that...

The chronological placement of the fossils is particularly telling. At 46,000 years old, the individual existed during a period when Neanderthals were still widespread across Europe, though the species would face extinction only a few millennia later,...

2nd century BC and the beginning of the 1st century BC. This timeframe aligns with Rome’s expansion into southern Gaul, a period when Ligurian ports served as vital nodes for trade routes transporting wine to western Mediterranean markets. Two...

power from the deep mantle into the crust and, eventually, the atmosphere. The researchers specifically point to the period between 2.5 and 2.0 billion years ago, a time marked by the formation of massive volcanic provinces. With approximately 7.2...

Gains: Mandated coverage for children under 18 rose significantly, climbing from 34.1% to 52.5% over the 15-year study period. Working-Age Progress: Adults aged 18 to 64 saw their access nearly double, increasing from 10.2% to 19.2%. Retiree Decline:...

at room temperature for zero, 21, and 42 days. How Enzymes and Bacteria Drive Rapid Acidification During the ensiling period, the treated silages showed a dramatic drop in acidity compared to the control group. By day 42, the pH in enzyme-treated...

preservation but also illuminates the reproductive strategies that allowed early embryos to survive in the Early Jurassic period. The clutch of fossilized Protoceratops eggs and embryos was discovered in the Gobi Desert of Mongolia at Ukhaa Tolgod. © M....

flourished in the Rio Grande de Térraba Valley between 800 and 1500 AD, during what researchers classify as the Chiriquí Period. During their zenith, the Diquís people developed sophisticated political and economic systems, constructing permanent...

better understand these dynamics, researchers conducted interviews with 21 pregnant women in the Philippines during 2021—a period marked by significant upheaval, including strict pandemic lockdowns, high rates of poverty, and intense state-level...

Liu confirmed that Teghaza 001 is at least 4.1 billion years old. This places the rock squarely within the Pre-Noachian period, a formative chapter in Martian history when the planet likely maintained a denser atmosphere, a functional magnetic field,...