December 19, 2018, 9:54 a.m. by Michael d'Estries

Humanity will meet Ultima Thule, an object in the Kuiper Belt, on New Year's Day.

December 19, 2018, 8:35 a.m. by Christian Cotroneo

(But that doesn't mean you should.)

December 19, 2018, 8:07 a.m. by Mary Jo DiLonardo

Walkers have a comfort zone to prevent collisions.

December 19, 2018, 6:58 a.m. by Chanie Kirschner

Here are some tips to make sure they stick in the new year.

December 19, 2018, 1:56 a.m. by Bryan Nelson

The controversial finding would be the world's oldest pyramid if confirmed.

December 18, 2018, 2:45 p.m. by Noel Kirkpatrick

The slow-moving object is about 120 astronomical units away, or around 11,160,000,000 miles.

December 18, 2018, 1:41 p.m. by Jacqueline Gulledge

He was best friends with a bear and a lion — making the 'BLT' trio.

December 18, 2018, 12:22 p.m. by Russell McLendon

The iconic animals have declined more than 40 percent in 30 years, potentially facing extinction yet drawing little global attention.

December 18, 2018, 11:16 a.m. by Katherine Butler

NASA's Cassini orbiter reveals stunning pictures of the planet and its rings.

December 18, 2018, 10:45 a.m. by Chanie Kirschner

Businesses around the world follow these practices that make employees happier and more productive.

December 18, 2018, 10:19 a.m. by Melissa Breyer

Tired? Depressed? Always under the weather? You might not be getting the right amount of these vitamins and minerals.

December 18, 2018, 8:23 a.m. by Christian Cotroneo

If you're doling out gift cards for Christmas, you might as well just give out cash.