Powerful new genetic tools allow scientists to alter the DNA of any organism—with tests on human embryos already underway. Even more ambitious, synthetic biologists on the verge of creating the genetic material for a living organism from scratch are setting their long-term sites on fashioning a fully synthetic human genome.

Have you ever wondered how your stomach knows when you’re full or how your eyes know when to release tears? 😭Your body is a message monster continually #communicating in rapid-fire …

Have you ever spent hours looking for something you just know is there, only to be doubted? In 1987, most astronomers thought there was nothing in the outer solar system, …

What are scientists looking for when searching for alien life? A lot, it turns out: the search for extraterrestrials requires the help from astronomers, planetary scientists, chemists, computer scientists, and geneticists, just to name a few. But are we barking up the wrong carbon-based tree?

Where will astronauts live when they land on Mars? That’s the problem @NASA_Marshall engineer Erick Ordoñez helps to solve through 3D printing in his Cool Job. Episode filmed live at …

Are there limits to the human lifespan? Is it possible to stop the process of aging? On average, humans now live far longer than at any point in our history …