The Largest Black Holes in the Universe (VERSION ONE)

We’ve never seen them directly, yet we know they are there, Lurking within dense star clusters, Or wandering the dust lanes of the galaxy, Where they prey on stars, Or swallow planets whole. Our Milky Way may harbor millions of these black holes, the ultra dense remnants of dead stars. But now, in the universe […]

Saturn’s Mysterious Moons (V1)

Some 900 million miles from the Sun… in the outer regions of our Solar System… orbiting the planet Saturn…. …lies a mysterious world. Enceladus is enveloped in ice. Because nearly all of the sunlight that manages to hit its surface is reflected back into space, it’s one of the brightest objects in the solar system. […]

Strange Magnetic Bubbles at the Edge of the Solar System

The two Voyager spacecraft have been traveling away from Earth for more than 33 years and they are finally in the outer edge of the solar system. This boundary is marked by the outer reaches of the sun’s magnetic field and solar wind, which form an enormous expanse called the heliosphere. As the solar wind […]

How Space Triggers Herpes in Astronauts

There’s really no good way to say this, so I’m just gonna go for it: an unexpected consequence of spaceflight is herpes. A research team has unveiled interesting results about the presence of herpes in astronauts that not only shed light on human health in space, but also tell us some important things about the […]

So You Want to go to Mars?

[MUSIC] [MUSIC] Congratulations! Your application to be among the next generation of astronauts has been accepted! You’ve proven to have the right stuff. As a member of the newest astronaut class, you’re going to take trips farther and longer than any astronaut before you. An asteroid. Maybe even Mars, which means you could be up […]