When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Are aliens using super powerful flashlights to get our attention? Astronomers think there's a ...

Physicists have built a tractor beam out of lasers that can both repel and attract objects across distances 100 times farther than previously possible. Michelle Starr is CNET's science editor, and she ...

Scientists have created a new 'tractor beam' device that can move objects distances of up to several centimetres - about 100 times further than demonstrated in earlier experiments. The work has been ...

Are aliens using super powerful flashlights to get our attention? Astronomers think there's a chance they are. Since the invention of the radio, humans have been silently listening to the stars, ...