In a new peer reviewed analysis, scientists quantify amino acids before and after our “last universal common ancestor.” The ...

Trees get most of the love, but diatoms, a group of photosynthetic microalgae, produce 20% of Earth's oxygen and are the ...

Research finds diatoms evolved slowly for 100 million years and then experienced an evolutionary burst of speciation 170 million years ago.

The family tree in My Life with the Walter Boys can certainly get a bit confusing, with eight biological kids, two cousins ...

International Day for Biological Diversity on May 22 highlights this year's theme "Harmony with nature and sustainable ...

If you're wondering why squirrels seem to vastly outnumber raccoons—or why certain car brands dominate city streets—a team of ...

The biological species concept defines a species as a group ... forming its own distinct branch on the tree of life. By this standard, researchers found that forest and savanna elephants had been ...

Scientists have found a way to sample DNA out of the air on a large scale — making it possible to one day track the health ...

Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth.” So goes the famous dictum of Sherlock Holmes, echoed by paleobotanist C. Kevin Boyce in summarizing ...

The world celebrates Environment Day on 5 June. This day provides us with opportunities to encourage awareness and ...

In the twilight depths of the Gulf of Mexico, about as deep down as a football field is long, U.S. Navy divers carefully snip ...

“People publish scientific papers about birds’ evolutionary relationships all the time. We synthesized all the data to have unified information all in one place.” For years, McTavish worked on ...