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It's not uncommon for older dogs to lose their sight or even their hearing as they age. But can they lose their ability to smell, too?

Neptune is the eighth planet from the sun and one of the coldest. Its supersonic winds are also the fastest in the solar system.

Is a triangle tattoo meaning spiritual, symbolic, or geometric? Discover its deep significance in religion, alchemy, and sacred symbolism.

The story told in "We Are Marshall" sounds a little like the invention of a screenwriter, but its events really took place.

HowStuffWorks looks at the history and controversies behind the Church of Scientology and its founder, L. Ron Hubbard.

Does the chemical makeup of coffee change as it's cooled or as it heats, particularly in a microwave? HowStuffWorks investigates.

Jupiter is the largest planet in the solar system. Big as this gas giant is though, next to the sun, it's still small.

This white-hot metal not only makes beautiful jewelry, it's coveted for industrial, medical and military purposes too.

Guilty of buying books you never have time to read? We get it. And there's a name for that.

Lego has switched to a sugarcane-based plastic as part of its commitment to using only sustainably-sourced materials.

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