On Dec. 21, the top half of the planet faces away from the sun, leaving the North Pole in complete darkness.

Formed by material falling onto a newborn star, the two beams of light shoot outward to create the dual-sided lightsaber appearance.

Plasma presents a possible source for the blade, but lots of practical concerns remain.

Mutual attraction between pandas upped reproductive rates and increased cub-rearing time.

The rocket's return even surprised SpaceX founder and CEO Elon Musk, who initially thought the Falcon 9 booster didn't actually stick its landing.

The InSight lander is equipped to study the Red Planet's interior in unprecedented detail.

The glass plates depict solar and lunar eclipses, comets, and even views of binary stars.

Warming trends have spiked in certain areas of the world as we battle against smog.

Robot duels, gluttonous snakes and really long fingernails were just some of the oddities.

Here's a look at 10 newly identified, and exceptionally strange, animals, both living and extinct discovered in 2015.

The newly identified species isn't the only glowing shark in the ocean, but it is the first found in the Pacific coast of Central America.

2015 was no stranger to shady science.

Here are five hot trends that paleontologists expect to see in 2016 and the years ahead.

A lack of social connection may have a negative impact on your physical health, new research suggests.

A black hole's epic "burp" may help solve one of the deep mysteries of the galactic core.

Event Horizon Telescope will harness the power of 9 telescopes around the globe.

Donald Trump's ego is extreme, he may be a bellwether for politicians as a whole, and the U.S. public as a whole.

All you need to avoid lower back pain is a steady exercise program and a bit of education.

From measuring our oceans to studying Jupiter, we'll learn more about space in 2016.

Sales of German luxury cars are up since the sanctions lifted.

This opposition, which occurs every 2 years, is considered relatively favorable and precedes another event when Mars will be at its closest to Earth all year.

Why not take this opportunity to view six other meteor showers this summer?

The Leonids are expected to reach their peak before dawn on Nov. 17 but will still be visible through Nov. 21

More than 250 earthquakes have struck the state's Southern border since New Year's Eve, and it's not the first time this has happened.

Once isolated to the Central Valley, the hybrid tumbleweed Salsola ryanii is making moves — and fast.

Everyone spends all their time in open kitchens. Here's why they should get out of there.

A 2012 study of homes in L.A. shows just how menacing stuff can be: "Many find their accumulated possessions exhausting to contemplate, organize, and clean."

You might get discounts by sharing your fitness data with an insurance company. But they might get way too much insight into the details of your life.

Here's what they proposed in New Jersey to build better and safer cities for older citizens.

So what if millennials killed mayonnaise and golf. Baby boomers killed the stuff that really matters — like the climate.

Should they be means tested, or should programs be universal?

Multi-generation living may get even more multi-generational if current demographic trends — like boomers aging — continue.

Baby boomers aren't that old and they aren't ready for retirement homes – yet.

Small businesses generate more jobs — and our kids are going to need them — so support Small Business Saturday.

About 70 million American baby boomers are going shopping, and many of them have deep pockets.

Health and loneliness are intimately connected and you have to work on both.

Older people tend to be more conservative, and tend to hit the share button a lot more often.

Sometimes a street that's considered walkable isn't — especially if you aren't young and fit and have sharp eyesight.

Islabike introduces a new line of bikes designed for aging riders.

It's time to prioritize walking over driving. Cities have to change their priorities and start investing in safe transportation alternatives like walking.

A look at the demographics shows there will be a lot of baby boomers around when climate change kicks in.

Hotel living combined with extreme minimalism could be an interesting lifestyle choice.

Probably 45 percent of baby boomers could use Starkey's new Livio AIs or Healthables. What's keeping them away?

People of every age are generating and circulating misinformation and lies, not just baby boomers.

We've got about a decade to fix our communities to cope with 70 million aging baby boomers. ​

In Japan, they call it "rougai." In North America, the rage against older generations is about to get much, much worse.

I offended people with my previous post about aging boomers, but my goal was to draw attention to a looming problem that we need to deal with.

Dutch cyclist Egbert Brasjen started riding at age 65 and just kept on going.

This isn't an aging problem, it's a design problem.

How architect Le Corbusier, a 13th-century abbey and a busload of tourists taught me some lessons.