Planetary halo: Behold, Pluto bathed in ring of resplendent light

Planetary halo: Behold, Pluto bathed in ring of resplendent light

A new high-resolution image from NASA shows what Pluto's crescent looks like in its entirety, and it's beautiful.

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The New Horizon's spacecraft captured this image just 15 minutes after its closest approach to Pluto on July 14, as the spacecraft looked back at Pluto toward the sun. While a blurry version of this shot arrived on Earth in September, the full, crisp view of Pluto's crescent did not arrive until late October.

NASA released an initial image of the tiny, distant former planet's crescent in September, but that photograph, taken by the New Horizons spacecraft during its journey past Pluto in June, was blurry and incomplete.

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These are the hardest things to get used to when living in space, according to astronauts

These are the hardest things to get used to when living in space, according to astronauts

Above a door on a platform standing 200 feet in the air that connects to the NASA space shuttle that ferries astronauts to the International Space Station (ISS), there's a sign that holds some serious significance for astronauts. It reads: "Last bathroom on Earth."

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Living on the $1 billion space station that floats 260 miles above Earth is clearly a once-in-a-lifetime experience, but it takes a lot of getting used to.

Astronaut Ron Garan, who spent 6 months on board the ISS in 2011, wrote a book called "The Orbital Perspective" describing the time he spent living in space and how the experience changed his outlook on life. But in the seconds before his first launch, Garan caught himself wondering what he was getting himself into.

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This is the perfect way to sit at your desk

This is the perfect way to sit at your desk

Sitting all day at work is dangerous. So if you're like me, stubbornly refusing to try a trendy standing desk (or treadmill desk!), then you may as well sit properly.

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Fortunately, there are some science-backed tweaks to your desk set-up and posture that can dramatically improve your health and happiness. Though to ease your eyes and back, remember to still get up and walk around every so often.

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Majestic, uncanny images show what planets would look like if they replaced our Moon

Majestic, uncanny images show what planets would look like if they replaced our Moon

It's a march of the planets in the most beautiful way imaginable. In a stunning video, the creative minds at the Russian Space Agency Roscosmos imagine how Mercury, Venus, Mars, Jupiter, Saturn, Uranus, and Neptune would appear in the sky if they were floating in space at the same distance from Earth as the Moon - 240,000 miles away.

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From largest to smallest, here's a unique tour of the planets in our solar system as seen from Earth. First up is Jupiter, which is so massive that you could fit all of the other planets plus their moons inside of it and still have room left over.

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These are the surprising ways that happiness is linked to health

These are the surprising ways that happiness is linked to health

The dark and dreary winter months can be a real downer, but try to stay positive. Science indicates that people who are optimistic may have a better chance of avoiding illnesses like diabetes, heart attacks, strokes, and depression.

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Moreover, people who have positive attitudes about aging actually live on average 7 1/2 years longer than those who are dreading old age, according to studies referenced in this infographic by the creators at Happify. (Of course, it's a two-way street: Part of this link may be because people who do have health issues are generally unhappy and stressed.)

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