Feature

Mars Craft Finds Evidence of a past Ocean

Bacteria Offer Lessons to Drug Makers

New Studies Clarify Monarch Worries

A Sign of Healing Appears in Stratosphere

Science News of the Year

[Science News Millennial Summary Cover]

Editor’s Letter

Myriad Monsters Confirmed in Water Droplets

With New Vaccine, Scientist Prevents Rabies in Boys

Gravity Tugs at the Center of a Priority Battle

A Million Healing Words Flow from Compendium

Messy Pilgrims Blamed for Puzzling Fossils