We have discovered two interstellar objects so far, ’Oumuamua and Comet 2I/Borisov. ’Oumuamua had no dust tail and a significant nongravitational acceleration, which led to a wide variety of ...

NASA has discovered 3I/ATLAS, only the third known interstellar object, now passing through our solar system from the ...

A11pl3Z's eccentricity is now estimated to be near 6.0, the highest seen yet, confirming its hyperbolic orbit.

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

Scientists with NASA’s Lucy mission are finally wrapping up the process of refining the data gathered by the spacecraft’s ...

Meteorite NWA 16788, the largest known piece of Mars on Earth. (Sotheby's via SWNS) By Dean Murray An otherworldly piece of ...

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

Debris from Mercury's heavily cratered surface could have reached Earth, so why haven't we found meteorites from the ...

NASA has discovered an interstellar comet that’s wandered into our backyard. The space agency spotted the quick-moving object ...

Comet or asteroid heading for the Sun is only the third time an interstellar object has been spotted inside our group of ...

"If 2024 YR4 strikes the Moon in 2032, it will (statistically speaking) be the largest impact in approximately 5,000 years," ...

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It was first discovered zipping near the sun this fall.