X-ray imaging reveals well-preserved internal characters in mineralized arthropods from the Paleogene, urging the reexamination of previously neglected fossil collections.

The discovery of a fossil that might be the oldest flowering plant will continue the debate on the origin and structure of ancestral flowering plants.

Modern microorganisms growing in fossils provide major challenges for researchers trying to detect ancient molecules in the same fossils.

The activin ligand myoglianin acts as a temporal extrinsic cue to regulate the intrinsic temporal factor Imp in mushroom body neuroblasts, increasing neuronal diversity by specifying the α’β’ fate.

Subterranean fossil bone hosts a living microbiome different from the surrounding sediment without evidence of original protein preservation.

Well-preserved fossils reveal an extreme morphological specialization of fly larvae, and broaden our understanding of the diversity of ectoparasitism in Mesozoic insects.

The discovery of a fossil heart in Rhacolepis buccalis demonstrates that it is possible to scrutinize the fossil record for important clues on cardiac structure and evolution.

The discovery of new skeletal remains of Homo naledi in the Lesedi Chamber, South Africa, adds more evidence to our understanding of the morphology and behavior of this recently discovered species.

Flying squirrels may have originated earlier than previously thought and remained unchanged for almost 12 million years.