This video segment adapted from NOVA scienceNOW follows scientists analyzing meteorites—the oldest rocks in the solar system—to determine what triggered the birth of our solar system from a vast cloud ...

A recent development in the field of astronomy has left scientists intrigued as a mysterious interstellar object has begun to brighten unexpectedly. This change in luminosity, observed as of November ...

When we think of Earth and its neighboring planets orbiting around our common host star, we picture the center of the Solar System as smack in the middle of the Sun. However, that's not entirely true, ...

At the far edge of the Solar System, where the Sun’s influence thins into the dark between the stars, a pair of aging ...