But a sign? Not so much. Unfortunately, someone has once again made off with the sign that welcomes visitors to the Bonneville Salt Flats in northwestern Utah. Before and after photos shared this ...

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A. W. Stevens, contains an earlier photograph taken by him in the Andes from a height of 21,000 ft. which also shows the curvature of the horizon.

Some users mockingly ask why the oceans don’t “spill over the edges” of a flat Earth, while others joke that a massive ice wall exists at the planet’s boundaries—complete with dragons ...

There's a lot more to Earth than meets the eye. Far from being just a roundish rock barreling through space, our planet is composed of several layers held together by intense forces of gravity.

If the near-Earth asteroid Bennu were to collide with Earth in the future, the space rock could cause substantial global damage, even though it’s a fraction of the size of the asteroid that ...

Bonaire, the quiet gem of the Dutch Caribbean, is known for its incredible underwater world, but there’s a part of the island that stands out, quite literally, on the surface — the salt flats.

Colorado pastor Will Duffy’s obsession with the flat-Earth conspiracy theory began with a longtime friend’s post on Facebook. A quick direct message led to a months-long debate between Duffy ...

Flat optics is a cutting-edge technology that manipulates light at the nanoscale by patterning ultra-thin surfaces with nanostructures. Unlike traditional optical systems that rely on bulky lenses ...

Potential patches of Earth's ancient crust, sometimes called "sunken worlds," may have just been discovered deep within the mantle, thanks to a new way of mapping the inside of our planet.

From the flamboyant blossoms and birds of rainforests to the living rainbows of coral reefs, Earth’s surface is teeming with life. But some of its most diverse and fascinating biomes are ...