Mar. 17, 2025 — A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system ... a compelling new model for the formation ...

Stars whizzing by our solar system could cause more havoc than astronomers previously thought, from sending Pluto’s orbit haywire to forcing Mercury to fly into the sun – or even ...

Astronomers have found new evidence that a mysterious ninth planet may be hiding at the edge of the solar system - rewriting what we know about the cosmos again. An international team from Taiwan ...

The hunt for Planet Nine—the solar system’s ghostly gravitational troll—is longstanding, and is based on the peculiar clustering of rocky bodies in the Kuiper Belt beyond the orbit of Neptune.

A newly released image of the sun captured by the world’s largest solar telescope shows the surface of our nearest star in unprecedented detail, shedding light on its fiery complexity.

This model of solar system formation is known as the nebular hypothesis. The solar system is structured in a roughly flat plane called the ecliptic, with most planets orbiting the sun in the same ...

Circinus West is a cold, dense cloud of gas and dust that stretches out for 180 light-years, around 60 times the size of our solar system. Nebulas like this are so dense that light cannot pass ...

Each pixel in the original version of the image corresponds ... the powerful particles, solar energy, and stellar radiation it ejects across the solar system. These solar storms routinely produce ...