Morning Overview on MSN
The interstellar comet 3I/ATLAS is carrying water 40 times heavier than Earth’s oceans — and astronomers say it was born somewhere far colder than our sun
Somewhere in the galaxy, in a place colder than anything our solar system has ever produced, a ball of ice took shape.
What If on MSN
What if the ancient comet 3I/ATLAS hit our planet?
A rare interstellar visitor known as comet 3I Atlas is currently drifting through our Solar System. At first glance, it might ...
"It could represent some of the oldest and most pristine water ever observed, formed in another planetary system and preserved throughout its interstellar journey." When you purchase through links on ...
Learn how traces of a rare radioactive element preserved in Antarctic ice may show that the Solar System is currently passing through debris left behind by exploded stars.
Iron-60 is a radioactive isotope of iron that’s found in Antarctic ice and in deep-sea crusts. It’s only source is ...
Interstellar objects like 3I/ATLAS that have been captured in planet-forming discs around young stars could become the seeds of giant planets, bypassing a hurdle that theoretical models have ...
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