We ask Caity from our planetarium all about stars that run out of fuel and go supernova in explosions that can be seen clear across the universe.

How do we know how sight first evolved if eyes don't fossilize? For some ancient organisms, they do! Dr. Brigitte Schoenemann shares her research on trilobite fossils from nearly half a billion years ago that tell us about the origins of vision.

We ask one of our animal keepers, Christa, all about our Cotton-Top Tamarin monkeys and how the Museum of Science is participating in the effort to conserve this critically endangered species.

Biomedical Engineer Dr. Parag Gad tells us about a noninvasive technique that can help paralyzed patients regain the use of their extremities as well as other systems of the body.

Physicist Dr. Billy Hubbard tells us how designing the world's smallest 'refrigerator', a thousand times thinner than a human hair, may lead to more efficient cooling of scientific instruments.

We ask Shilpa Lawande, a Data Engineer at Facebook Boston, all about data and its impact on our lives.

We answer all of your questions about how far away things are from Earth, from the Moon to the very edge of existence, and also discover how we know the distance to objects in space.

We chat with Akshita Rao, an undergraduate at Tufts University, about her biomedical engineering research on the human heart.

We chat with Becca, one of our museum educators, about the driving factors behind the disappearance of the dinosaurs.

Harvard's Dr. Pia Sorensen tells us about her new book, Science and Cooking, and answers your questions about chemistry, physics, and biology in the kitchen.