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.

Harvard scientists have invented an artificial leaf that quickly and efficiently converts solar energy to fuel.

A team of astronomers in Chile have seen something new and strange: cold gas pouring into a black hole.

A Japanese Twitter user discovered a novel way to stop his laptop from overheating: stacks of copper coins.

NASA's Kepler Space Telescope just detected the youngest exoplanet to date estimated to be 5 to 10 million years old.

Did you know half your brain actually stays awake when you sleep and even responds to external stimuli?

Five years ago, NASA launched its solar-powered spacecraft, Juno, on a mission to Jupiter. That mission comes to a close and an all-new chapter begins with Juno's arrival and orbit of Jupiter.

Venus' waterless atmosphere may have been sucked dry by a strong electric wind.

The Challenger Disaster, Science Channel's first feature film starring William Hurt, premieres Saturday, Nov. 16 @ 9PM e/p. It chronicles Feynman's efforts on the Presidential Commission to uncover the cause of the devastating 1986 Challenger exp ...

The boosters are 17 stories tall! They will help launch humans to Mars and deep space in the future.

Cleaning up oil spills is next to impossible but those tides could start to change.

California's San Andreas fault line is locked, loaded and ready to roll, according to a leading seismologist in Southern California.

A team of scientists out of Boston is one step closer to finding a Zika vaccine.

Researchers from Brown University have just discovered geographical features suggesting a subsurface ocean exists beneath Pluto's icy shell.

British researchers have discovered a huge reserve of helium in Tanzania near the country's volcanoes.

For the first time this century, NASA's Hubble Space Telescope caught sight of a dark vortex on Neptune.

Ever get chills while listening to music? Scientist have found that this feeling, called Frisson, is associated with some unexpected personality traits.