Astronomers using NASA’s James Webb Space Telescope have found a previously undetected giant planet tucked inside Beta ...

As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth. Out ...

Astronomers have uncovered a massive hidden planet and a rare “failed star” by combining ultra-precise space data with some of the sharpest ground-based images ever taken. Using the Subaru Telescope ...

Out beyond the orbit of Neptune lies an expansive ring of ancient relics, dynamical enigmas, and possibly a hidden planet—or two. The Kuiper Belt, a region of frozen debris about 30 to 50 times ...

This frozen frontier holds the scattered remains of the early solar system, offering scientists rare clues about how planets took shape. Hidden within this region are trans-Neptunian objects, or TNOs, ...

Astronomers have captured some of the most detailed images of debris discs—rings of leftover dust, gas, and rocks that circle a star—from fully formed, "teenage" planetary systems. And those images, ...

Millions of stars. Thousands of hidden worlds. One unprecedented view of our galaxy. Three years since launch, ESA's Euclid space telescope reveals the center of the Milky Way galaxy in extraordinary ...

This ARKS gallery of faint debris disks reveals details about their shape: belts with multiple rings, wide smooth halos, sharp edges, and unexpected arcs and clumps, which hint at the presence of ...