All bilateral creatures have some asymmetry, such as the human heart being located slightly to the left and the liver being ...

"This fundamentally changes how we think about the evolution of complex nervous systems," said biologist Jack Ullrich-Lüter.

The Marianna Trench is the deepest area of the ocean, and therefore one of the most mysterious underwater regions in the ...

Missouri’s most common fossil is an invertebrate, the crinoid, also known as “sea lilies”. Despite the name, they’re more closely related to other echinoderms, like starfish. Only around 700 living ...

Most animals we know - mammals, birds, and reptiles, have bones that shape and support their bodies. Yet, many of Earth’s ...

And then there were none. The International Union for Conservation of Nature (IUCN) has announced that several species of animals and plants have now gone extinct. The 2025 list of extinctions ...

Earth's vast oceanic biodiversity remains largely unexplored, with only a fraction of an estimated two million total living marine species formally named and described. A significant challenge is the ...

Robin Erickson has been covering high school sports since 2023 after graduating from Carroll College with a degree in Health Sciences. He began working in data operations at High School On SI before ...

Gray Reid has spent most of his career in basketball and sports media. He began as a student manager for the Nevada men’s basketball team, then went on to coach overseas in China and later joined the ...

A Minnesota public high school appears to have held classes open to black students only — a possible violation of the US Constitution’s most fundamental anti-segregation laws. South High School, a ...