Astronomers watched a distant star dim for months and found a metal-rich cloud that may be the aftermath of a massive ...

Recent scientific investigations have unearthed remnants of a lost planet concealed deep within Earth’s mantle, potentially elucidating enigmatic structures beneath our planet’s surface. These ...

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Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between large space rocks. One of these clouds was even mistaken for a planet before ...

Astronomers tracking a nearby star system thought they had spotted an exoplanet reflecting light from its star. Then it vanished. Even stranger, another bright object appeared nearby. After studying ...