Two Giant Black Holes Spiral Toward Collision
A supermassive black hole 9 billion light-years away appears to have a companion black hole orbiting around it. As the orbit shrinks, the pair gets closer to merging.
Read MoreA supermassive black hole 9 billion light-years away appears to have a companion black hole orbiting around it. As the orbit shrinks, the pair gets closer to merging.
Read MoreAstronauts aboard the International Space Station harvest the first produce grown in zero gravity. Then they made a meal of it.
Read MoreTwo colliding galaxies create a spectacular spray of superheated gas millions of lightyears long.
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Read MoreSaturn’s bizarre hexagonal cloud structure has now been observed at both poles.
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