A long-running and bitterly fought dispute over whether the earliest known hominin had a knuckle-walking gait, like ...

New study of 7-million-year-old fossils from Chad proves Sahelanthropus tchadensis walked upright while still climbing trees.

Learn how detailed 3D analysis uncovered evidence that upright walking emerged near the very start of the human lineage.

Scientists may have cracked the case of whether a seven-million-year-old fossil could walk upright. A new study found strong ...

Worried about getting enough suction power to bust dust bunnies? Here's what experts recommend when choosing between an upright vacuum and a stick vacuum. Stephen J. Bronner is a New York-based ...

Cleaning will always be a necessary chore, but the best upright vacuums are designed to make the process of trapping dirt underfoot easier than ever. These machines are designed with large dust bins ...

The bear and his humanlike walk were recorded by a resident in Oak Ridge. — -- The elusive New Jersey bear that became an internet sensation after video emerged of him walking upright has made an ...

Don't fix what isn't broken is a great mantra to apply to the best upright vacuums; these reliable stalwarts provide the most powerful suction on hard floors and carpeting, unrestrained cleaning time, ...

Keep your floors tidy with one of these powerful vacs Written By Written by Contributor, Buy Side Camryn Rabideau is a contributor to Buy Side and an expert on interior design and product reviews.