RC helicopters have quite a few differences than passenger and military helicopters, which is why they can fly upside down. Here's what you need to know.

A simulation of the "aerial screw" designed by Leonardo da Vinci in 1480 suggests it would use less power than modern drone ...

The prototype helicopter called Leonardo's aerial screw could be used to make modern drones more quieter and stealhier.

Helicopters can land just about anywhere but they're mostly restricted to landing at airports and helipads, with a few other ...

An egg-shape trend found among birds shows up in miniature with very protective bug parents. Elongated eggs fit more compactly under mom.

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It’s being hailed as the ‘wedding of the century’. Here’s everything we know so far, from the 27 outfit changes to the ...