Update for 3 p.m. ET: NASA has delayed the first flight of the Ingenuity helicopter on Mars until no earlier than Wednesday (April 14) after a final preflight test ended early. NASA is preparing to ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Children have such active imaginations that anything can be a toy ...

THERE is a deep satisfaction to be had from making and throwing a paper plane. From the number I have had fly across my classrooms, I have been able to ascertain that most children over the age of 11 ...

Helicopters on Mars may sound like something from a science fiction novel — or perhaps just a typical "Doctor Who" episode. But actually, they're not fully confined to the world of sci-fi; after all, ...

The webcast is on April 8 at 1 p.m. EDT (1700 GMT). When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA's Mars helicopter Ingenuity is less than ...