The space rock is hurtling through our cosmic backyard at a zippy 26,200 miles per hour, according to the space agency.

The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

Scientists are on high alert as an unidentified object has been detected speeding towards Earth. The nature of this object remains a mystery, but one expert suggests it could be extraterrestrial in ...

A Harvard astronomer is suggesting that an interstellar object nearing Earth could be an engineered object — rather than a natural one — after making similar claims in in 2023 and 2017. "The ...

Measuring around 41 feet in diameter, the asteroid is speeding towards our planet at more than 38,500 miles per hour.

A January 2026 Earth–Sun alignment allows measurements of the opposition surge from interstellar object 3I/ATLAS using ...

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory ...

The rare 3I/ATLAS alignment on Jan. 22 coincides with the 'opposition surge' phenomenon. Learn the mystery of this 13-billion-year-old visitor.

Scientists are tracking an object heading toward earth that could enter the planet’s orbit, and they are not entirely sure what it is. The object, named Asteroid 2020 SO, is believed to be man made ...

Is 3I/ATLAS an interstellar spy? Scientists investigate 13 anomalies of the solar system's new visitor, from its 'anti-tail' to a bizarre 2026 Jupiter path.