See how a simple multiplication error sparks the design of a mechanical DIY calculator, beautifully handcrafted from wood and expertly engineered in metal by JLC3DP. Discover the process from CAD ...

Clocks tick faster on Mars than they do on Earth, in part because Mars experiences less gravitational pull from the Sun. Now scientists have calculated just how much faster -- 477 microseconds, on ...

Is it a flying elephant? A gingerbread man? When I was little, I used to search the clouds for amusing shapes as they drifted across the sky and imagine stories about their patterns. Now I'm a ...

Science writer David Berreby shares his personal journey with griefbots and discusses how they can offer unexpected comfort, insight and connection in the wake of loss.