Zhang said that, technically, comet 3I/ATLAS has only appeared to "change color" a single time  —  when its coma became ...

A viral image, allegedly from Japan's space agency, has sparked renewed global interest in interstellar comet 3I/ATLAS. While ...

Ever since astronomers first detected interstellar comet 3I/ATLAS in July, speculation about its true nature has run wild.

The MeerKAT radio telescope detected hydroxyl radicals from interstellar object 3I/ATLAS, suggesting it's shedding a ton of ...

Scientists say 3I/Atlas came closest to Mars in October. Its path this month put it in the path of the warm rays of our sun, ...

To reach Earth’s closest star system, Alpha Centauri, scientists are building a laser-powered spacecraft. To pull off ...

Created using data from two extensive surveys, this spectacular radio image of the galactic plane of the Milky Way provides valuable insights into the birth and death of stars.

We know of three interstellar objects (ISO) that have visited our inner solar system. Oumuamua was the first one, and it came ...

In 1977, astronomers recorded an unexplained 72-second radio signal stronger than anything else detected from deep space.

Astronomers puzzled as 3I/Atlas changes shape, emits strange radio signals, and shows signs of pre-solar origin, challenging current understanding of interstellar objects.

When it comes to what part of Earth is most at risk of an ISO impactor, low latitudes near the equator face the greatest risk ...

Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From ...