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

It's estimated there may be trillions of rogue planets wandering through the Milky Way, unbound to any star. Since detecting ...

From ancient stargazers to modern-day space scientists, women have shaped our understanding of the cosmos. This crossword ...

For all our technological progress, humanity remains confined to a single planet. But that may not always be the case. Over the past few decades, astronomers have discovered thousands of exoplanets, ...

An exosyzygy – an alignment of three celestial objects around another star – is predicted to happen later this year, but it ...

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't ...

The first planet to be discovered inside the habitable zone of a Sun-like star. Its name is Kepler 22-b. When a planet is ...

It also pushed them to tighten their standards, especially when the conversation shifts from “interesting chemistry” to ...

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On Jan. 15, 2025, the Gaia spacecraft took its last image. Then the craft ran a final round of engineering tests, fired its ...

What planet is most like Earth? Reseachers have identified several exoplanets similar to our planet, but none that are an ...