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.

Over the next few months a major dust storm is expected to entirely engulf Mars. By studying past weather patterns, scientists can now more accurately predict these global storms

When the asteroid struck Earth, most of the energy from the impact was directed outwards and upwards. Only 1 percent traveled down into the ground, but it caused seismic waves to radiate through the Earth.

Amelia Earhart may have died as a castaway, instead of in a plane crash, a new discovery shows.

To protect Earth from impacts, we may have to push and redirect asteroids. In this experiment scientists see if they can shoot an asteroid without destroying it. A nudge of a few centimeters is all we need to potentially save Earth.

A small telescope named Project Blue is due to launch to explore to our neighboring star system Alpha Centuari.

After searching all day in Poland, meteorite hunters find two stones that may be fragments of a famous meteorite.

Nasa is launching six satellites so small that you can hold them in your hand. These satellites will monitor the Earth to help scientists better understand our home planet.

No, asteroids and meteors are not the same thing. Even meteors and meteroids are not the same!

Good luck Peggy Whitson of NASA, Oleg Novitskiy of Roscosmos and Thomas Pesquet of the ESA.

Scientists have accidentally discovered how to convert a greenhouse gas into ethanol, a cleaner burning fuel.

Science Channel presents Mission Jupiter, revealing the amazing and extreme journey of the one-of-a-kind, armored spacecraft Juno as NASA scientists prepare to place it in orbit around the massive gas planet Jupiter.

Exercising when you're upset may not be a good idea. Intense workouts intended to blow off steam may double your chance of a heart attack.

Not only can this fungus survive radiation, it thrives off of gamma rays. It even took a trip to the ISS recently.

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.

In order to extract the gold, scientists must dunk the circuit boards into acid and add a water based compound.