Cosmic inflation remains undiscovered

A new study puts earlier discovery claims into perspective. A previous study claiming the discovery of gravitational waves as cosmic inflation’s fingerprint has most likely been over-interpreted, scientists found in a joint analysis between the Planck and BICEP2 experiments. The new study, whose key results were released today in statements from the European Space Agency and the National Science Foundation, did not find conclusive evidence of cosmic inflation. Cosmic inflation is the exponenti...