NASA has discovered an interstellar comet that’s wandered into our backyard.The space agency spotted the quick-moving object with the sky-surveying Atlas telescope in Chile earlier this week, and confirmed it was a comet from another star system.

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling through space for hundreds of millions of years, even billions of

Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object." The cosmic interloper, officially named 3I/ATLAS, is only the third of its kind ever seen — and will shoot past Earth later this year.