An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how ...
A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.
In a conventional system like our own, rocky planets such as Mercury, Venus, Earth, and Mars orbit closest to the host star. Farther out, gas giants ...
Terra Planet Earth on MSN
Astronomers detect a solar system that challenges formation theory and deepens uncertainty
LHS 1903 flips rock and gas on their heads, hinting that late-born planets can rewrite the rules around common red dwarfs for now.
Out in the Kuiper Belt, the massive doughnut of debris beyond Neptune, about one in 10 kilometer-scale objects have surprised scientists with their unexpected shape. Rather than resembling a ball, ...
Planetary systems in the Milky Way galaxy tend to follow a particular pattern: rocky planets toward the center, closest to ...
Space.com on MSN
Why don't more Tatooine-like exoplanets exist in our Milky Way galaxy? Astronomers might have an answer
Astronomers may finally understand why planets orbiting two suns, the real-world equivalents of the "Star Wars" planet ...
Space.com on MSN
Astronomers discover chemicals that could seed life in the core of a developing star
An organic molecule called methanimine was found scattered throughout a dense clump of gas and dust 554 light-years away.
A team of 48 astronomers from 14 countries, led by the University of Massachusetts Amherst, has discovered a population of dusty, star-forming galaxies at the far edges of the universe that formed ...
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