Before the ribbon-cutting for the solar system walk on the Columbia Greenway Rail Trail on Nov. 29, created by WHS Astronomy ...

Nearly 4.5 million years ago, two large, hot stars brushed tantalizingly close to Earth's sun. They left behind a trace in ...

Learn more about two of the earliest reports of a total solar eclipse and corona, which were recorded in China, and solve ...

Imagine never being able to dream of landing on Mars or traveling to Saturn. Not because it's impossible to get there, but ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

When a meteor streaks across the sky, it's not just beautiful. It's nature's way of delivering a time capsule to Earth.

Scientists studying samples from the Bennu asteroid located not too far from Earth continue to find clues as to how life ...

About 4.5 million years ago, a great cosmic dog kicked past our Solar System – and its effects may still be seen today.

It came from another star and passed through our solar system at impossible speed. Astronomers scrambled to study it, but it was gone before they could find answers. Its strange path and shiny surface ...

Conventionally, the moon is thought to have formed during one big impact, but a three-impact model might make more sense ...

Despite being hidden by the glare of the sun, plenty of space-based cameras are snapping photos of 3I/ATLAS that you should ...

Mercury is the innermost and smallest of the eight major planets in our Solar System, orbiting closest to the Sun. Though ...