A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...
Isaac Arthur on MSN
How a Newly Found Dwarf Planet Could Rewrite the Solar System
Astronomers have discovered a distant dwarf planet orbiting beyond Neptune — a frozen world so far from the Sun that it challenges everything we know about how the solar system formed.
There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?
Astronomers detected a bright signal, coming from deep inside a dust disc, that is likely newborn planet HD 135344B still ...
Planets that orbit white dwarf stars should be too hot to host alien life, theories suggest. But a new study accounting for ...
A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?
Researchers at the Sao Paulo State University (UNESP) have discovered a population of asteroids that could pose a very ...
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