NASA Administrator Jared Isaacman has responded to the letter of a 10-year-old space enthusiast in which she pleads with him to make Pluto a planet again. The letter, posted by X account Mike's ...

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For the better part of a century, we believed there were nine planets in our solar system, with Pluto being the farthest from the sun. Since the discovery of more Pluto-sized dwarf planets, that ...

Science News: \"My Very Excellent Mother Just Served Us Nine Pizzas.\" Growing up, many of us memorised the planets through ...

For the first time since 2008, two new planets are being added to one of northern Maine's most famous — and scientifically accurate — roadside attractions. Dwarf planets Haumea and Makemake are the ...

A rare type of plutonium has been found in the crust below the deep sea, offering new clues as to how heavy metals form in star explosions and mergers. Strange hexagonal diamonds may have been ...

Our solar system is much like a trail of microcosmic breadcrumbs: Follow the molecular bits as far back as they go, and you'll learn a thing or two about where many of our planets and other celestial ...

WASHINGTON (Reuters) -Astronomers using the Hubble Space Telescope have observed a white dwarf - a highly compact stellar ember - that appears to have gobbled up an icy world akin to the dwarf planet ...

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NASA's Hubble Space Telescope detected material from a Pluto-like body spiraling into a white dwarf star 260 light-years away from Earth. Credit: NASA / JPL-Caltech / Tim Pyle illustration For the ...

The Oort cloud reaches out approximately 1/4th the way to the nearest star. Even identifying objects from the innermost regions is an exciting find all by itself, let alone when they're likely to be ...