NASA and ESA observations reveal why Uranus and Neptune appear different colors despite their similar size and composition.

Planet formation used to sound straightforward: dust clumps into rocks, rocks grow into worlds, and the rest is detail. A ...

A decade of observations of four planets around the young planetary system V1298 Tau revealed a rare, long-sought missing ...

Deep beneath the surface of distant exoplanets known as super-Earths, oceans of molten rock may be doing something ...

Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...

Astronomers have captured an exceptionally rare view of young planets in mid-transformation, revealing how bloated, giant worlds may shrink into the most common planets in the galaxy. Astronomers have ...

By cutting into a tiny throat bone, Princeton's Chris Griffin showed that it belonged to an adult of a smaller tyrannosauroid ...

Now, a new Nature study points to an answer by catching four planets at a stage most systems never show us: The awkward, ...

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

December offers prime observational opportunities for planets, with Saturn, Neptune, and Uranus visible in the early evening, and Jupiter prominent throughout the night, featuring multiple Galilean ...

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