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.

See a new kind of smart jewelry from Looksee Labs. Instead of going cutting-edge like many smartwatches, the bracelet uses e-ink which uses less power, is more flexible and can go from functional information to funky design..

A new study reveals cooking food allowed humans to bypass an energy barrier that other primates cannot overcome, allowing human brains to grow bigger in size.

MIke visits the Enchroma labs and receives a special pair of glasses for his colorblindness. The glasses use special dyes that correct the color spectrum at the retinal level so he can now see true color.

China just launched the world’s first quantum space satellite, a first step towards hack-proof communication technology.

Dr. Mike North visits Fathom, a California company that has created 3D printed plastic ovens. Find out how they work and why they could be the first step in terraforming Mars.

In the Making visits Mindride, where they are creating the ultimate VR experience of flying by using virtual reality, sound and other sensory tools. It can go from floating to fast flight by the movement of your arms.

Juno isn't the first spacecraft to visit Jupiter, but it will get the closest to the planet. These photos showcase our Solar System's giant gaseous planet in a whole new way.

For the past year, six people have lived in a small solar powered dome that replicates life on Mars.

Scientists have been looking for antimatter since the early 1920’s. Is antimatter real?

NASA's OSIRIS REx mission is on a journey to study and sample asteroid Bennu. Scientists think this asteroid could be similar to the ones that may have brought life to Earth.

Recently, NASA’s Kepler space telescope discovered the most Earth-like planet yet! Should we prepare to move there, or do we need to tone down our excitement?

It has been named NIKU, meaning rebellious. The object orbits in a direction opposite from most things in the Solar System.

Don’t you hate it when your cell phone battery dies? Well, scientists are trying to make sure it never happens again!

On June 28th, a SpaceX rocket exploded. It’s mission was to resupply the International Space Station, so what do the astronauts on the ISS do now?

While conducting this experiment, scientists stumbled upon a new tornado. It’s called a blue whirl.

Both jet engines and rocket engines have their own strengths and weaknesses, but a British company is now trying to combine the best of both. Their goal? The ultimate engine for space travel.