It's a big universe out there and if we have any neighbors, it might be better if they left us alone, and one pair of ...

A new study from MIT suggests that the light from a laser could spark the interest from aliens if they exist. The powerful laser would be focused through a telescope aimed toward space. The study's ...

Researchers have found that under certain conditions, a laser beam can act like an opaque object and cast a shadow, opening new possibilities for technologies that could use a laser beam to control ...

An international team of physicists has achieved a significant advance in laser science, demonstrating for the first time a practical route to dramatically boosting the intensity of high-power laser ...

Can light itself cast a shadow? It may sound like a philosophical riddle, but researchers have found that under certain conditions, a laser beam can act like an opaque object and cast a shadow. The ...