Summary: | International audience The Cosmic Microwave Background (CMB) has played a central role in developingthe current standard cosmological model a compelling and elegant description ofthe Universe. However, we still seek a more conclusive test of inflation and aphysical understanding of Dark Matter and Dark energy. The CMB will be, onceagain, a promising dataset to tackle these challenges. I will show the resultsof the analysis of small-scale polarization data from the 10-meter South PoleTelescope (SPT). Then I will present our cosmological parameter constraints fromthe CMB lensing maps reconstructed using combined SPT-SZ and Planck data. I willconclude with an update on the status of the ongoing SPT-Pol B-mode and CMBlensing analysis.
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