NASA has a plan to combat rogue interstellar objects — and even a Planetary Defense Officer. Asteroid hunter, space scientist and writer Carrie Nugent reveals the array of tactics, from the tested to the far-out.

A synthetic biologist has created artificial cells that can “talk” to natural cells — but are they really alive?

A flat piece of plastic that shapes itself into a shoe? An orthodontic device that moves into position to straighten teeth? Computational architect Skylar Tibbits is shaking up the material world.

Will the societal shocks of 2016 lead to a bumper crop of art in 2017 and beyond? These TED Fellows aim to channel the energy of activism into creative work that can change hearts and minds.

Courtesy of Design Museum Dharavi

How the setting for “Slumdog Millionaire” became the location for a unique and vibrant pushcart museum

Some people might not like his tactics, but Edward Snowden has done great things for privacy rights, says Freedom of the Press Foundation’s Trevor Timm. That’s why it’s time for him to come home.

Forget memorial plaques, tombstones, and traditional funerals. New, high-tech ways to celebrate life and death are emerging, and they’re using your digital data.