Credit: NASA/JPL-Caltech/KSC The National Academies’ Committee on Planetary Protection is hosting a virtual meeting that will inform NASA’s efforts to develop a prioritized list of factors that contribute to the

Close-up of a sample particle from asteroid Bennu. Credit NASA/Scott Eckley The same particle analyzed with X-ray computed tomography scanning. This specimen shows the most common types of

The researchers focused on exceptionally well-preserved sedimentary rocks deposited on ancient seafloors in what is now southern Sweden. Credit Unil How can we measure time more than 500 million years

Slime mould Dictyostelium discoideum protein complex Q55DI5 (AF-0000000066503175), annotated as a transcription elongation factor. The single chain looked disordered, but modelling the homodimer revealed that two chains intertwine, each contributing