Vast swaths of the subway still rely on signal equipment from the Great Depression. A multibillion dollar plan, now at risk, hopes to bring the system into the 21st century ...

From the passenger conduct to the advertisements on the train, see how things have changed since the subway opened in 1904, ...

The unidentified risk-taker runs atop six cars on elevated tracks near the Hewes Street station shortly before 2 p.m. on ...

A herd of African elephants instinctively formed an "alert circle" to protect the younger elephants at the San Diego Zoo ...

The MTA wants to spend a big chunk of its next capital budget on train cars — which would be the most significant upgrade in ...