Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.
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The most exciting exoplanet discoveries of 2025
In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...
Detective astronomers have discovered at least one unseen alien planet, and possibly another, around a distant star by observing the odd behavior of a planet already known to orbit the same star. The ...
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