Space

  1. Planets

    Signs of a hidden Planet Nine in our solar system may be an illusion

    Hints of the remote planet, also called Planet X, relied on clumped up orbits of bodies beyond Neptune. A new study suggests that clumping doesn’t exist.

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  2. Space

    Let’s learn about the moon

    The moon is Earth’s nearest neighbor, and its gravity helps stabilize the planet’s climate and creates the tides.

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  3. Space

    Scientists Say: Planet

    Planets have to orbit a star, be big enough to form a sphere and keep other objects out of their path around their star.

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  4. Space

    Exploding neutron star proves to be energy standout of the cosmos

    This is what scientists had suspected. But until one showed up outside our galaxy, they couldn’t be sure. Now they are.

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  5. Space

    Space travel may harm health by damaging cells’ powerhouses

    Biochemical changes after going to space suggest that harm to cells’ energy-producing structures, called mitochondria, could explain astronauts’ health issues.

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  6. Physics

    Let’s learn about gravity

    Gravity is an attraction between objects with mass. The more massive the object, the more gravity it’s got.

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  7. Space

    Our feverish universe is getting hotter every day

    For the first time, astronomers have taken the temperature of the cosmos at different times in its history. Galaxy clusters are cranking up the heat.

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  8. Space

    Rogue planets wander the galaxy all alone

    Some planets don’t orbit stars. They were kicked into space long ago. The newest, smallest one found is only about as massive as Earth.

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  9. Space

    Meet ‘Pi’ — a new Earth-sized planet

    Searching through data from NASA’s K2 Mission, researchers found a new planet. Some call it K2-315b, others smile and refer to it as “Pi Earth.”

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  10. Space

    Star of science and movies, the Arecibo radio telescope is dead

    Broken cables led to catastrophic damage of its history-making dish. The U.S. National Science Foundation will now dismantle what remains.

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  11. Space

    Why Arecibo’s loss is such a big deal for astronomy

    Damage to the radio telescope in Puerto Rico has robbed scientists of a special tool for studying everything from asteroids to galaxies.

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  12. Space

    Jupiter may have ‘sprites’ or ‘elves’ in its atmosphere

    This is the first time that scientists have seen hints of these weird side effects of lightning storms somewhere other than on Earth.

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