From ex-presidents in power armor to thinly veiled stand-ins for real-world suits, I rank 12 of the most unhinged public ...

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A comet screaming in from another star system carried alien ice ratios never seen before. What scientists found inside its spinning nucleus is reshaping how we picture worlds beyond our sun.

WD 1856 b circles the burnt-out core of a dead star at a distance that seems almost impossible. The giant planet skims around ...

Interstellar comet 3I/ATLAS, the third known object to enter our solar system from another star, underwent a dramatic ...

In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...

I/ATLAS arrived fast, bright, and strange. When astronomers spotted it on July 1, 2025, they knew almost immediately this was no ordinary comet.

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, funding, and fierce criticism.

Scientists have identified interstellar comet 3I/ATLAS as the oldest known object to pass through the solar system, dating ...

One year ago, on July 1, 2025, astronomers discovered a fascinating new object moving through the solar system. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was ...

A newly spotted interstellar visitor just got an unusually close listen from California scientists — in a search for signs of ...