This video investigates the unusual early activity of Comet Bernardinelli-Bernstein, a massive body traveling from the Oort ...

A newly spotted interstellar comet is passing through our solar system at a blistering speed of 130,000 miles per hour, ...

David Jewitt at the University of California, Los Angeles, and his colleagues studied images from ground-based and ...

Launched in 1977, Voyager 1 has surpassed its initial objectives and now journeys through interstellar space. It crossed into ...

Your odds of winning the lottery are still 100,000 times larger than the probability of either Voyager hitting a comet.

I n 300 years, NASA's Voyager spacecraft will reach a hypothetical region of space, long thought to exist but for which we do ...

The solar system consists of eight planets, several dwarf planets, hundreds of moons, and billions of asteroids, comets and ...

A telescope has discovered a new world on the edge of the Milky Way – potentially confirming the ‘Planet X’ theory. Beyond ...

Scientists have unlocked one of the solar system's many secrets from an unexpected source: a planetarium show opening to the public on Monday.