\begin{figure}[h]
\begin{minipage}[t]{0.5\linewidth}
\centering
\includegraphics[width=0.8\textwidth]{picture1.eps}
\caption{your caption \label{your label}}
\end{minipage}
\hfill
\begin{minipage}[t]{0.5\linewidth}
\centering
\includegraphics[width=0.8\textwidth]{picture2.eps}
\caption{your caption\label{your label}}
\end{minipage}
\end{figure}