Designing a reliable catenary system involves overcoming various challenges. Engineers must account for weather conditions, train speeds, and power demand. One major challenge is maintaining wire ...

(CNN) — The Trump administration plans to pull another $1 billion in federal grants and contracts for health research from Harvard University amid an escalating, high-stakes battle between the ...

(CNN) — Harvard University sued the Trump administration Monday in a new escalation of the fight over institutional oversight, independence and federal funding for the Ivy League school ...