How to build in space for life on Earth | Ari...

After finding himself alone in an unreported wildfire in the woodlands of California, John Mills decided to take matters into his own hands. Hear the incredible story of how he rallied fire survivors and retired first responders to create Watch Duty, the nonprofit emergency alert ...  Show more

More than 8,000 satellites orbit Earth, taking photos every day. Food security specialist and TED Fellow Catherine Nakalembe shows how she uses this imagery to help smallholder farmers across Africa prepare for floods, droughts and crop failures. Learn why real innovation isn’t a ...  Show more

Is space the “final frontier” — or the perfect place to revolutionize life on Earth? Space architect Ariel Ekblaw reveals how self-assembling structures could build orbiting real estate in space dedicated to solving humanity’s greatest dilemmas on Earth, leading to scientific and ...  Show more

"We should be protecting the Earth — and we can use space technology to do that," says aerospace architect Ariel Ekblaw. Following her talk at TED2025, Ekblaw sat down for a special conversation with Elise Hu, host of TED Talks Daily, to discuss how space-based technology can imp ...  Show more

<span>Join us on another enlightening clip of Earn Your Leisure, where we engage in a thought-provoking discussion about the true value of space exploration. In this clip, </span>#EYL<span> hosts Rashad Bilal, Tr ...

Why do we explore space? This is not an easy question to answer. Yet policy expert G. Ryan Faith believes there is value to be had in communal engagement with this question. While easy answers may elude us, the act of defining our values and goals in space can help avoid commo ...