One of the most cherished science fiction scenarios is using a black hole as a portal to another dimension or time or universe. Is it possible? Maybe. But choose carefully. All black holes are not created equal.
Astronomer Wanda Díaz Merced – who began losing her sight in her 20s – presented one of TED’s most-watched astronomy videos. Here’s how turning a telescope’s digital data into sound can help reveal hidden patterns.
Breathtaking space images inspire us. But what if you couldn’t see them? Amelia Ortiz Gil explains how tactile models of the constellations, moon and planets can give people – blind or sighted – a better appreciation of the universe.