When you look at the solar system, you might notice that the planets' orbits are tilted, and oddities in the protoplanetary ...
Live Science on MSN
'Planet Y' theory hints at hidden Earth-size world lurking in the solar system — and it could be much closer to us than 'Planet Nine'
A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...
Joe Scott on MSN
A New Mysterious Object Entered Our Solar System
It came from another star and passed through our solar system at impossible speed. Astronomers scrambled to study it, but it ...
Opinion
Space.com on MSNStrange 'puffy' alien world breaks every rule for how planets should behave
A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?
NASA’s Swift telescope spotted signs of water on interstellar comet 3I/ATLAS - proof that water flows far beyond our solar ...
What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.
Every one of us is unique and important, but at the same time, we’re a microscopic part of something that’s beyond ...
The mysterious interstellar comet 3I/ATLAS is absolutely blasting out water at a staggering rate, astronomers found.
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