Explore the Past in Google Earth . Google Earth has always helped everyone see the world from above. Now, it lets you see how streets and neighborhoods have changed over the years ...

Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than in neighboring regions of the universe, astronomers say.

But city officials granting those permits would need to predict how that same building’s carbon emissions may affect the climate. One exciting proposal called Destination Earth —a project launched in ...

Researchers have admitted that it's "theoretical" to put a giant mesh bag around an asteroid to build space cities — but that it's technically feasible.

Earth's internal temperature increases between the boundary of the upper mantle and the bottom of the lower mantle, ranging from around 1,800 to 6,700 degrees Fahrenheit (1,000 to 3,700 degrees ...

"And we don't know what they are, where they're coming from, what they're made of, [or] what role they play inside the Earth." Thorne wasn't thinking of ULVZs when he launched the new research ...

Like most of us, Earth has a lot going on under the surface — even in what may have once seemed to be its most unassuming layer. The mantle, a zone between our planet’s thin crust and the ...