Early Earth lacked life’s essentials until a collision with Theia added them. This chance event made life possible. After the ...

When engineers at a control center in Turin, Italy, sent a faint radio signal into space, they set off a world-first ...

A planetary scientist walks through the sensors and systems that went into the recent detection of potential biosignatures.

A detailed study of a cosmic mystery known as "The Accident" has now provided new insight into the formation of clouds on ...

Normally, comets get that green coloration from dicarbon, a rare molecule formed when sunlight breaks down carbon-based gases ...

Planetary science is a multifaceted field that investigates the origin, evolution and present‐day state of planets, moons and other bodies within our Solar System and beyond. By integrating ...

For the last month and change, you might've seen the headlines about the planetary alignment, or a planetary parade, going on in our solar system. And that's true. In January 2025, Venus, Mars, ...

The discovery of the Kuiper Belt fundamentally reshaped our understanding of the solar system's architecture and population, revealing a far larger and more complex system than previously imagined.

The first thing most people think of when they consider Mars is its deep red color. The Romans associated the planet with their god of war because it reminded them of blood while the Egyptians called ...