Passengers love Boeing 747s and Airbus A380s, AKA the world’s biggest commercial jets, but they’re slowly being phased out.

Blood enters the left ventricle through the mitral valve and leaves through the aortic valve. A stenotic valve is a valve opening that has gotten smaller and is partially obstructing blood flow. In ...

President Trump signaled he was open to negotiations with trading partners this week, even as the US took steps to escalate ...

The US took steps to impose levies on Chinese ships that dock at US ports, escalating the trade war between the world's two ...