Humans have long sought to geoengineer the Earth’s environment. Tim Flannery outlines a few of the wildest ideas from the 20th century ...

There's something wonderful about a holiday weekend that gives you permission to slow down. The sparklers, the potato salad, ...

President Donald Trump will deliver remarks ahead of a historic fireworks celebration in Washington, DC, to mark America's ...

The Earth is four and a half billion years old, so why they started appearing then is unknown, as is the mechanism to make ...