Living organisms share an ancestor called the last universal common ancestor, or LUCA. LUCA is estimated to have lived ...

Scientists call this speck LUCA — the Last Universal Common Ancestor. Since the concept of LUCA first emerged, it has ...

Life’s story may stretch further back than scientists once thought. Some genes found in nearly every organism today were already duplicated before all life shared a common ancestor. By tracking these ...

Duplicated genes that appear in every branch of the tree of life can provide us with insight into the evolution that occurred ...

All life on Earth shares a common ancestor that lived roughly four billion years ago. This so-called "last universal common ...

Researchers describe a rare type of gene family, known as “universal paralogs”, that provides insight into evolutionary history predating the last universal common ancestor of all life. Detailed ...

From the Department of Bizarre Anomalies: Microsoft has suppressed an unexplained anomaly on its network that was routing traffic destined to example.com—a domain reserved for testing purposes—to a ...

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts to collect Perseverance rover samples that could contain evidence of alien ...

The amount of noise The Row’s annual sample sale generated last weekend was perhaps antithetical to the brand’s ultimate quiet luxury status. But what else could be expected? The brand’s legions of ...

In Sarah Yuska’s sixth-grade science class at Monocacy Middle School in Frederick, Maryland, students are just finishing up learning about body systems—respiratory, circulatory, skeletal, and so on.

AGI is a theoretical form of AI able to solve any number of hypothetical tasks using generalized human cognitive abilities Elysse Bell is a finance and business writer for Investopedia. She writes ...