New images of the 33-million ton interstellar object confirmed it is releasing a nickel alloy commonly used in the aerospace ...

New images reveal the stunning reversal of the interstellar objects “anti-tail” and could be indicative of a “maneuvering” ...

The newly discovered "twilight" asteroid, 2025 SC79, was obscured by the sun's glare until an astronomer pointed the Dark ...

The universe has quasi-moons, mini-moon, and moonlets, but no official definition of what counts as a moon.

Time is running short for scientists hoping to collect data from 3I/Atlas, a massive interstellar object hurtling away from the Sun.

A small asteroid, known as 2025 TF, flew over Antarctica on October 1, 2025, at an altitude of only 266 miles.

A hunk of space junk appears to have come in hot and heavy in Australia.

A couple months back, astronomers officially confirmed the existence of “Betelbuddy,” Betelgeuse’s long-suspected companion ...

I/ATLAS, a giant interstellar object, exhibits strange behavior, alarming scientists and prompting NASA's emergency probe.

A new listing of the 50 most concerning pieces of space debris in low-Earth orbit is dominated by relics more than a ...

Is 3I/ATLAS really an alien mothership? NASA and the scientific community weigh in on the controversial topic.

The interstellar comet 3I/ATLAS is barreling toward its closest point to the sun as perihelion looms on Oct. 29. How different will it look when it reappears on the other side?