For years, planetary scientists have argued that some of the material that built Earth must have drifted in from beyond ...

“We observed much lower metallicity than our models predicted for the planet’s bulk composition,” study co-author and ...

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

The largest survey of exoplanets using an observatory atop Mauna Kea on the Big Island confirms a long-predicted relationship ...

Astronomers have captured an exceptionally rare view of two giant planets forming around the young star WISPIT 2. The system ...

The astro-modified camera used to take this photo lets in the hydrogen alpha light that is normally filtered out. This modification makes the camera more sensitive to the red end of the ...

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

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a precious peek into the dawn of our own solar system. It’s an unprecedented ...

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 ...

Gas giants are massive worlds made mostly of hydrogen and helium. They lack solid surfaces, and in our solar system, Jupiter and Saturn are the best-known examples. Beyond our cosmic neighborhood, ...

Surprise, it's twins.

Scientists have discovered that a highly unusual giant planet—sometimes called "forbidden"—could have an atmosphere with ...