Far from the bright glare of the Moon, a much smaller companion has been quietly keeping pace with Earth, looping around the Sun in a complex dance that only looks like a shared orbit from our vantage ...

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

Astronomers are preparing for a rare cosmic event on January 22, when interstellar object 3I/ATLAS will align closely with Earth and the Sun, passing within just 0.69 degrees of the Sun-Earth axis.

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 ...

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

Just days ago, NASA dropped a batch of new images of a comet from an entirely different solar system that has for months been a source of public fascination and speculation. The object, named 3I/ATLAS ...

NASA's Hubble Space Telescope caught a glimpse of 3I/ATLAS – in July and on Nov. 30, 2025. An ESA orbiter bound for Jupiter also observed the interstellar comet 3I/ATLAS. How big is 3I/ATLAS ...

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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. CAPE CANAVERAL, Fla. (AP) — NASA has ...

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

NASA’s Hubble has examined Cloud-9, a strange object with no stars that offers clues about early galaxy formation and dark matter.