Major gravity experiment recreated aboard a satellite

Major gravity experiment recreated aboard a satellite

Author: Emily Conover / Source: Science News for Students Scientists compared how two objects fell within a satellite in orbit 710 kilometers above Earth (as depicted in this illustration). Galileo’s most famous experiment has taken a trip to outer space....

Speed of universe’s expansion remains elusive

Speed of universe’s expansion remains elusive

Author: Tom Siegfried / Source: Science News In August of 2011, researchers discovered SN 2011fe, a type 1a supernova 21 million light-years away in galaxy M101 (images show the galaxy before and after the supernova, with the supernova circled at right)....

Weird new dino looked more like a duck

Weird new dino looked more like a duck

Author: Carolyn Gramling / Source: Science News for Students This bird-like dinosaur probably spent a lot of time in the water. It had front limbs like flippers and a long neck for snatching fish. It may even have stood upright like today’s ducks. A newly...

Escaping narwhals can freeze and flee at the same time

Escaping narwhals can freeze and flee at the same time

Author: Mariah Quintanilla / Source: Science News for Students Narwhals are known as “unicorns of the sea” for their single, enormous tooth. But these mammals have another oddity. During frantic escape dives, their heart rates slow dramatically. When an...

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