It's a Christmas miracle! Here are all of Mark's quality "Dad Jokes" from this past year of the Mark and Toddcast.

We finally did it! Celebrate 200 episodes of the Mark and Toddcast with this extra-sized news wrap-up, and dive into the notes and subjects that we've meant to get to before but ha...

We all grew up seeing those weird, illustrated creatures in comic book magazine ads - the promise of "Instant Life!" in the form of "Sea Monkeys." So what are those things? How doe...

We once again welcome (5 years later) Dr. Ethan Siegel, theoretical astrophysicist, author, speaker, and smartest guy ever, about next month's launch of the James Webb telescope, h...

This week we have an amazing conversation with Al Goncer, an aerospace engineer at NASA, who also happens to be legally blind. We talk to him about his journey to NASA, his loss of...

This week we take a look at the astonishing success of giving kids (and adults) what is called an "ambiguous gestural or verbal praise" -- things like a fist bump, a pat on the sho...

The Voyager space mission, which is now in interstellar space, far beyond our solar system, has a gold record attached to it containing images, words, pictures, greetings, and more...

It's that time again for our favorite segment "War of Wikipedia," where Mark and Todd go head-to-head to attempt to find the strangest, most interesting, most amusing, or all-toget...

This week we start taking a closer look around our own celestial neighborhood and diving into the weirdness of Uranus. And no, we're not mature about the name. In the news this wee...