Debris disc oddities point to hidden outer planets

Los Angeles CA (SPX) Feb 13, 2026

Astronomers have obtained some of the most detailed images yet of debris discs around fully formed, so called teenage planetary systems, and say the irregular structures they see could reveal the presence of hidden outer planets.

The study used the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile to image 24 debris discs made of dust, gas and rocks orbiting stars in systems bet