To evaluate \((-2)^3\), we multiply \(-2\) by itself three times:
\[ (-2) \times (-2) \times (-2) \]
First, we calculate \((-2) \times (-2)\):
\[ (-2) \times (-2) = 4 \]
Next, we multiply that result by \(-2\):
\[ 4 \times (-2) = -8 \]
Therefore, \((-2)^3 = -8\).