We asked dentists about the most effective ways to whiten teeth at home, and they shared their top picks for toothpastes, mouthwashes, pens, strips and kits.

Social media users questioned whether the humorous and widely shared footage was authentic or an example of AI slop.

Kenyans are mourning the death of a beloved "super tusker" elephant named Craig. He lived in Amboseli National Park and ...

Elephant toothpaste produces a dramatic chemical reaction in experiments. Canada making border crossing change that will ...

For many retirees, their biggest fear isn’t just running out of money, it’s running out of money because the market crashed at the worst possible time. We’ve all heard horror stories from big market ...

This story originally published in the September 2008 issue of National Geographic magazine. See more digitized stories from our archives here. The biologist Iain Douglas-Hamilton is walking up on an ...

While Christmas is all about creating memories, the ones you seem to remember the most include a good old belly laugh that’s often caused by quite a peculiar gift. These white elephant gifts are made ...

What can an elephant seal — a 4,000-pound bellowing monstrosity that looks like a melted Yankee Candle — teach us about the world? Plenty, it turns out. “The animals are amazing. I mean, everything ...

Saturday's rivalry game between undefeated No. 1 Ohio State and No. 15 Michigan is about more than just bragging rights. The Buckeyes have been atop the AP poll for 13 consecutive weeks, and the ...

President Trump’s ever-growing vision has caused tension with contractors. His architect has taken a step back as the president personally manages the project. President Trump walking on the White ...