Editor's picks: New galactic neighbors, anatomy of aggression, ancient bling, game theory and the origins of life, animals that run fast and die young

Science News Editor's Picks 03/15/15

Become a Subscribing Member »

NEWS As many as nine new dwarf galaxies found outside Milky Way BY CHRISTOPHER CROCKETT A bevy of newly discovered satellite galaxies around the Milky Way could help astronomers study how galaxies form and the nature of dark matter. Read More Read More»

NEWS IN BRIEF Ring brings ancient Viking, Islamic civilizations closer together BY BRUCE BOWER Ancient find fingers ninth century connection between Vikings and Islamic civilization.  Read More Read More»

FEATURE Mapping aggression circuits in the brain BY SUSAN GAIDOS Using optogenetics and other techniques, scientists are tracing connections to and from the brain’s aggression command center. Read More Read More»

REVIEWS & PREVIEWS When animals invade human spaces BY NATHAN SEPPA ’Feral Cities’ explores the wildlife living amongst us, sometimes noticed and sometimes not. Read More Read More»

NEWS Tethys Ocean implicated in Pangaea breakup BY THOMAS SUMNER The shrinking of the Tethys Ocean may have broken up the Pangaea supercontinent. Read More Read More»

NEWS IN BRIEF How arthropods got their legs BY KATE BAGGALEY New fossils reveal how arthropods evolved branching limbs. Read More Read More»

Sponsor Message

More Headlines from Science News NEWS For healthy eating, timing matters Limiting eating times improves heart function in fruit flies. Read More BY TINA HESMAN SAEY IT'S ALIVE The running of the quolls Northern quolls run like crazy to find mates. Read More BY SUSAN MILIUS NEWS Something’s cooking on Enceladus A trail of silicon-rich particles in one of the rings of Saturn points to possible hydrothermal activity on Enceladus. Read More BY CHRISTOPHER CROCKETT CONTEXT Life’s origin might illustrate the power of game theory Game theory math can describe molecular competition and cooperation, perhaps providing clues to the origin of life. Read More BY TOM SIEGFRIED