Two 325-million-year-old ctenacanth shark fossils discovered in Mammoth Cave shed light on ancient marine ecosystems.

科学家们称，在德国一所博物馆里“再次现身”的一块水生爬行动物化石具有很高的研究价值，因为它是有史以来同类生物化石中体积最大的一块。这类被称作“鱼龙”的海洋生物曾生活在距今约两亿年前的恐龙时代。这块化石标本总长达三米多，20多年前曾在 ...

When I was a kid, the 90-foot-long, the 180 ton “Ultrasaurus” was supposed to be the biggest dinosaur ever. Then it turned out that this dinosaur was a composite of multiple individuals found ...

What actually was the biggest dinosaur? - Zavier, 14, Tauranga, New Zealand. Great question Zavier, and one that palaeontologists (scientists who study fossil animals and plants) are interested in ...

And let’s face it, kids of all ages (and I include adults here) are fascinated by dinosaurs that break records for the biggest, the longest, the scariest or the fastest. It’s why, to this day ...

Until recently, these prehistoric giants ... Now, scientists have discovered a previously unknown species — the largest sea turtle found in present-day Europe ever to be identified.

Before then, the world's most expensive dinosaur was "Stan" — the 67-million-year-old T. rex that sold for $31.8 million in 2020.Stan became something of a celebrity after this sale when it ...

A 150 million-year-old dinosaur skeleton that's twice the length of a school bus has just been sold for more than $6 million at an auction in France — becoming the largest dinosaur fossil to ...

British researchers have unearthed some 200 dinosaur footprints dating back 166 million years in a find believed to be biggest in the United Kingdom. Teams from Oxford and Birmingham Universities ...