Live Science on MSN

Scientists study 100 possible alien radio signals from collapsed Arecibo Observatory, ending groundbreaking 21-year search

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...
Space.com on MSN

Astronomers watch 2 supermassive black holes caught in a twisted dance with never-before-seen jet behavior

"This result shows that the Event Horizon Telescope is not only useful for producing spectacular images, but can also be used ...
The Why Files on MSN

They used sound to lift stones - was this the secret to the pyramids?

Ancient civilizations moved stones weighing hundreds of tons without cranes, pulleys, or modern machines. One theory? They used sound. And shockingly, science now shows acoustic levitation is real — ...
Sam Eckholm on MSN

How Air Force special operations selection pushes candidates to the edge

Air Force Special Tactics selection looks for the best of the best. Candidates are tested on motivation, problem-solving, and ...