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'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 ...
Space.com

Dwarf planet Ceres may have once been suitable for life, new study suggests

Dwarf planet Ceres now appears less like a dead rock and more like a world that may have briefly brimmed with potential for life Ceres, the largest object in the asteroid belt between Mars and Jupiter ...
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A surprising study found hints of biological activity on a distant planet. Now, scientists say there’s more to the story

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A tiny sign ...
Phys.org

Human well-being on a finite planet towards 2100: Study shows humanity at a crossroads

The peer-reviewed study, "The Earth4All scenarios: Human well-being on a finite planet towards 2100," uses a system dynamics-based modeling approach to explore two future scenarios: Too Little Too ...