Feature

Messy Pilgrims Blamed for Puzzling Fossils

Future for Digital Snapshots Looks Crisp

Danish Astronomer Argues for a Changing Cosmos

Notes from the Authors

Gravity Tugs at the Center of a Priority Battle

Kids’ ADHD Care Gets a Wake-up Call

The 2-Million-Year-Old Man Speaks

New Studies Clarify Monarch Worries

Chromosomes Show Plants’ Secret Complexity

Volume Information

Bacteria Offer Lessons to Drug Makers

Imagine That: Animal Magnetism Exposed