3I/ATLAS is the fastest comet ever recorded and its interstellar! NASA's Goddard Space Flight Center explains. Credit: NASA's ...

Interstellar comet 3I/ATLAS was almost called 3I/Rubin, after researchers found that the giant survey telescope ...

Scientists studying 3I Atlas detected strange and unexplained behavior that is beginning to raise serious questions among ...

A rare comet from another star system is revealing just how different alien solar systems may be from our own.

In late 2025, astronomers spotted an interstellar comet making a quick trip through the solar system. 3I/ATLAS was discovered ...

The Southwest Research Institute-led Ultraviolet Spectrograph (UVS) instruments aboard ESA's Jupiter Icy Moons Explorer ...

Rare interstellar comet 3I/ATLAS is revealing clues about the early Milky Way, offering scientists a glimpse into conditions ...

An interstellar comet that has captivated astronomers this year narrowly missed becoming the first object named after the ...

Astronomers found 'heavy water' in interstellar comet 3I/ATLAS, suggesting it formed in a cold, unusual environment beyond ...

The presence of deuterium, an isotope of hydrogen, in 3I/ATLAS suggests the interstellar comet formed in a much colder place before our solar system existed.

Astronomers discovered interstellar comet 3I/ATLAS in images taken by the Vera C. Rubin Observatory on June 20, 2025, ten ...