Scorpionflies with long-reaching mouthparts may have helped plants procreate long before blossoms evolved. (p. 12)

Fossil analyses hint that several species thrived during the world’s largest mass extinction. (p. 10)

Scientists have uncovered a feather-laden, peacock-sized dinosaur that predates the oldest known bird. (p. 8)

Genetic determination of gender is linked to live birth and evolutionary success of ancient marine reptiles, study finds.

Structures found in Australian rocks may be the filled-in remains of the world’s oldest dinosaur burrows.

Fossils of two new daddy longlegs species have been unearthed in China.

Fossilized fingers strengthen evolutionary link between dinosaurs and avian relatives. (p. 12)

Peruvian petrified forest offers insight into low-latitude conditions of millions of years ago

Fossils include largest known trilobite specimen and groups of the ancient arthropods caught in the act of molting and spawning.

Researchers have uncovered soft tissue and fragments of several proteins from a hadrosaur.

Fossilized tracks left by early land-dwelling animals reveal they brought shells ashore.

Inward-facing palms evolved much earlier than previously recognized, a new study finds. (p. 9)

A newly discovered stegosaur has neck proportions like those of sauropods.