Scientific American

Alien comet reveals our solar system is the oddball

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

Fastest comet ever recorded spewed 70 Olympic pools’ worth of water daily

3I/ATLAS is now sailing away from Earth and our solar system itself, but astronomers have already learned a wealth of information. The fastest comet ever recorded is covered in ice volcanoes, and ...
IFLScience

The comet formed in a star system with extreme cold temperatures and radiation.

Interstellar comet 3I/ATLAS is even more extreme. The ratio of semi-heavy water to regular water is 30 times larger than in ...
Earth.com

Alien comet reveals hidden layers after close brush with the Sun

An interstellar comet changed its chemistry after passing the Sun, revealing hidden layers and a surprising mix of carbon ...

Rare interstellar comet spews massive amounts of water into space

A comet named 3I/ATLAS was first discovered on July 1, 2025, and is located about 420 million miles away from Earth, ...