Astronomers have confirmed a new planet in one of the youngest solar systems ever found, thanks to University of Arizona ...

Astronomers have observed two planets forming in the disk around a young star named WISPIT 2. Having previously detected one ...

The scene around WISPIT 2 is messy in a way that matters. Rings of dust circle the young star, gaps cut through the disc, and ...

What started as a mysterious red dot in images taken by University of Arizona astronomers has been confirmed as a huge, newly forming planet.

Surprise, it's twins.

Planetary scientists have long debated where the material that formed Earth comes from. Despite its location in the inner ...

As the number of exoplanet detections has breached 6,000 and continues to grow, scientists are finding a wide variety of ...

A newly studied planetary system appears to break the expected order of worlds, revealing an unusual arrangement that current theories struggle to explain. “Many Vile Earthlings Munch Jam Sandwiches ...

Exoplanet L98-59d, located far beyond our solar system, might not sound like someone’s dream destination. It likely has an ...

The largest survey of exoplanets using an observatory atop Maunakea on the Big Island confirms a long-predicted relationship between planetary mass and rotation — putting a new spin on planet ...

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't been for lack of trying. According to a new paper by Thomas Winterhalder of ...

LONDON — The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper's authors have ...