English

Craters are scars left on the surface of a planet or moon, formed by meteorite impacts. These scars can tell us a lot about the geology of the planet or moon and they are usually very prominent. If you look at the moon, you can see dark and light areas.

The fossil record is full of gaps. This is because only a minor portion of life on Earth died in the right conditions to become a fossil. We, as paleontologists, work with the information we have to understand what Earth was like millions of years ago. We always hope to

Our Tale of Two Fishes continues today with an exciting [article] that came out in mid-March (2016). The article talks about the Tully Monster (Tullimonstrom gregarium), the state fossil of Illinois (USA), and a particularly difficult fossil to understand. The Tully Monster is found in sediments that are from the

Today, let’s start with the cave fish Cryptotora thamicola. It’s a fish, that lives in a cave. Caves are pretty neat environments because they become isolated very quickly – like islands, but underground. So when animals get stuck in caves, they speciate and become unique. Speciation is the process

The middle of March brought new information about Tyrannosaurs. We start with a [paper] by Schweitzer and others in the journal Science. These authors discovered a special type of bone on the inside of a thigh bone (a femur) of a Tyrannosaurus rex. This type of bone is only found

Argentina, my home country, is famous for its beef, Spanish dialect (castellano), soccer players (Messi is unstoppable), and in the paleontology world, for its enormous sauropod dinosaurs, like the recently revealed Titanosaur at the American Museum of Natural History. Recently, a paper was published in the journal Ameghiniana talking about