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Mike Brown is convinced that beyond Neptune, at the far reaches of our solar system, there's an unseen giant planet. "This is ...

Astronomers have detected possible chemical signs of life on a faraway planet. But they caution much more work is needed to ...

Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they ...

NEW YORK (AP) — A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday ...

2025 — A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new ...

In a stunning new finding, astronomers have uncovered the strongest evidence yet of life existing beyond our solar system. Using the James Webb Space Telescope, researchers from the University of ...