A university has added a green roof on its campus so scientists can study the impact of growing plants on top of buildings. The Open University (OU) said its "living roof lab" in Milton Keynes would ...

As Donald Trump hits his 100th day in office Tuesday, his imprint is everywhere. But the long-term impact is often unclear.

Donald Trump won back the Oval Office and took charge of the government amid the strongest poll numbers of his political career, but as the 100-day mark of his presidency approaches, Americans’ views ...

Russia is expanding its military infrastructure near the border with Finland in what experts and officials say could be a ...