How earnest is Donald Trump? Does the president dream of stealing new territory for America? How maniacally imperialist will ...

President Donald Trump is back in the White House and moving at warp speed to push through his long-awaited agenda with ...

Just over 50 years ago, paleontologist Donald Johnson unearthed the remains of "Lucy," an ancient human relative who lived ...

Any tourist activity that involves getting close to their habitat can stress the animals and disrupt their natural behavior.