Source of puzzling cosmic signals found — in the kitchen

Microwave ovens trip up astronomers

Parkes radio telescope

WHAT’S FOR DINNER? Signals detected by the Parkes radio telescope (pictured) suggest that intelligent life in the universe has a penchant for leftovers.

David McClenaghan, CSIRO

Mysterious radio signals detected by the Parkes telescope appear to come from an advanced civilization in the Milky Way.