British astronomers may have solved the mystery of an "interstellar object" hurtling towards our planet. Scientists believe the mysterious interstellar visitor may be the oldest comet ever observed.

Perseid meteors in the night sky via NASA’s All Sky Fireball Network cameras across the US. Credit: Space.com |footage ...

A mysterious object, first observed hurtling across the solar system on July 1, has now been identified as "very likely to be ...