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This hypothesis about the cause of the extinction of the dinosaurs believes that the culprit of the catastrophe at the end of the Cretaceous was not an asteroid but a comet. Some scientists believe that the sun has a companion star that rotates around it. Every 20 to 30 million years, this co
According to data obtained from deep-sea geological drilling, some scientists believe that the climate on the earth experienced abnormal changes 65 million years ago, and the temperature suddenly increased. This change prevents cold-blooded animals with weak heat dissipation capabilities such
The famous Italian physicist Antonio Chicchi recently proposed that the cause of the mass extinction of the dinosaurs was probably a large-scale submarine volcanic eruption. Professor Chikichi believes that at the end of the Cretaceous, a series of large-scale volcanic er
At a scientific symposium in 1980, American geologist Alvarez and others vividly told a thrilling story that happened 65 million years ago based on their research results: One sunny afternoon, In the tropical shrubs under the scorching sun, many different types and forms of dinosaurs were wal
Dinosaur fossils have been discovered in recent years. New species are being discovered one after another. Groups of scientists are eager to study them. Generations of children and their parents have a strong interest in these mysterious ancient creatures. . Why is this?
About 208 million years ago, a mysterious worldwide disaster caused the extinction of many living things. This disaster heralded the end of the Triassic Period and the beginning of the Jurassic Period. Dashanpu dinosaur excavation site What caused thi
About 208 million years ago, a global catastrophe wiped out many species of animals. This marks the end of the Triassic Period and the beginning of the Jurassic Period. What caused this catastrophe? Scientists have proposed several explanations. Maybe, because a huge aste
Less than 15 million years after the earliest dinosaurs - those small carnivores - appeared, plant-eating vegetarian dinosaurs began to appear 215 million years ago. Among the fern forests and evergreen trees beside the river and lake. At that time, it was still in the late Triassic period ge
The carnivorous theropod dinosaurs also survived the catastrophe at the end of the Triassic and further developed in the Jurassic. The Synanthosaurus discovered in Zimbabwe that lived 200 million years ago was a theropod carnivorous dinosaur that dominated the earth in the early Jurassic peri
In 1942, a larger theropod dinosaur was discovered in the early Jurassic strata of Arizona, USA. Because it had a pair of thin V-shaped bony crests on the top of its head, scientists named it Dicrosaurus. . Dicrosaurus Dicrosaurus has a stout body, a
About 208 million years ago, a global catastrophe wiped out many species of animals. This marks the end of the Triassic Period and the beginning of the Jurassic Period. What caused this catastrophe? Scientists have proposed several explanations. Maybe, because a huge aste
In the late Triassic period about 230 million years ago, the first dinosaurs evolved from some reptiles. They were one of many new animal groups on land at that time. At the same time, other new forms of life conquered the skies and seas of that era. Earth in the late Tri
Triceratops is one of the world's most famous dinosaurs, known for its parrot-like beak, three facial horns and the large frill at the base of its skull. This dinosaur lived during the late Cretaceous period about 68-66 million years ago. It is the largest ceratopsian din
Shantungosaurus is a duck-billed dinosaur and the largest ornithopod ever discovered. These dinosaurs lived in the late Cretaceous period 78-74 million years ago, in what is now China. Their skulls are over 1.6 meters long. Some scientists believe Shantungosaurus was over
Tyrannosaurus rex is one of the most famous large carnivores of all time. It lived during the late Cretaceous period 68-66 million years ago. From nose to tail, Tyrannosaurus rex was 13 meters long. Its skull alone is 1.5 meters long. However, althou
Giganotosaurus is another of the largest carnivorous dinosaurs. However, its exact size is difficult to calculate because we only have fragmentary remains of this predator. Some estimates suggest it was about the same size as Tyrannosaurus rex, another famous Cretaceous carnivore that lived m
In the list of the largest dinosaurs, plant-eating sauropods occupy all the top spots, but large carnivorous dinosaurs lived alongside them during the Mesozoic Era. Illustration of Spinosaurus compared to human size A reconstruction of Spinosaurus bas
Turiasaurus lived in the late Jurassic period about 155-146 million years ago. The skeleton of this giant sauropod was discovered in Spain, making Turiasaurus the largest dinosaur ever found in Europe. Paleontologists found fragments of the dinosaur's skull and estimated its head to be 70 centim