Max, Chris, and Joey decide to test out some new custom-made blades and explain the best way to dispatch a zombie. The undead better think twice before going up against these guys!

Now that astronaut Scott Kelly is back on earth, scientists are studying how all that time altered his body.

After months of pestering, Karl finally goes to see a doctor for a prostate exam. As an added bonus, Ricky and Steve get to watch the whole thing on a video monitor.

In a spectacular discovery, a team of scientists came across a 600-mile long coral reef located at the mouth of the Amazon River, all hidden under muddy waters.

See how an asteroid collision could result in the Earth spinning closer to the sun.

Explore the possibility of communication with aliens through satellite signals.

One way the world might end: evil nano-robots.

Could all-powerful robots bring about the end of the world?

Scientists discuss the probability and implications of an alien invasion.

Could super intelligent mutants spell doom for all mankind?

Scientists demonstrate a lab-sized version of a volcanic eruption - the kind that in real life, could spell doomsday for Earth.

Another way the world could end: a freezing, barren, blustery, frigid ice age.

Will the world end in nuclear holocaust brought on by mad scientists, crazed enemies, or computer-controlled warfare?

Will the end of the world be heralded by an unstoppable deadly plague?

NASA's Juno spacecraft will orbit Jupiter for about two years before scientists destroy it. They're destroying it in order to avoid contamination on Jupiter's moon Europa, which could have life.

Jupiter is the largest planet in our solar system, and it also spins the fastest.

Will delivery drones ever become commonplace?Amazon just announced details about their drone delivery project. But as tech companies like Amazon race to make drone delivery possible, will policy and practicality be able to keep pace with innovation?

NASA has been puzzling over a mysterious dwarf planet in our solar system...but thanks to new photographs, we might have some answers.

Ever wonder what it’s like to be color-blind. GIF clips showcase how the world looks in the eyes of colorblind people

Geologists have found evidence of ancient microbial life in 3.7 billion year old rocks in Greenland.

Saturn’s moon Titan is the only known space object, besides Earth, that holds bodies of liquid on its surface, and scientists are planning on sending a submarine over to explore its depths.

Science fiction is getting a little more plausible: engineers in England have announced the world’s first tractor beam, a device that can levitate and move small objects using 3D acoustic fields.

The futuristic high-speed transit system called “The Hyperloop” is taking a big step towards reality.

Scientists just developed nanorobots that can move through the bloodstream and target cancerous tumors.

Researchers in China are testing a prototype for neural control of a car. We’ll learn about this project and the implications it has for the future of autonomous cars.

Scientists have learned the sensation of déjà vu results from the frontal areas of our brain become more active in order to look for inconsistencies in our memories.

Students in Singapore Build Personal Flying Machine – Students at the National University of Singapore have taken drone design to the next level: they've built one that's large enough for a human passenger.

New research shows that sea anemone proteins may help reverse hearing loss in humans. Sea anemones, similar to humans, rely on hair follicles to hear.

These are five of the best Android apps we've been using on a daily basis for the last month or so. If you’re hungry for apps, we've got your fix.

The farthest galaxy cluster discovered to date is 11.1 billion light-years away from earth, with 11 colossal galaxies at it center.

Intimidated by building a smart home setup? With so many smart devices, it can be a bit overwhelming, but a smart home isn't out of your reach.

NASA's Hubble may have just spied jets of water spouting from Europa. These plumes of water could be sampled by passing spacecraft for viability to house life forms.