Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...
A pair of theoretical physicists are reporting that the same observations inspiring the hunt for a ninth planet might instead be evidence within the solar system of a modified law of gravity ...
Morning Overview on MSN
A hidden world? Astronomers may have found a new solar system planet
Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously ...
As you're reading this, NASA's records read some 250 spacecraft sent into space, carrying with them either humans or our hopes for some revolutionary discovery. None of them have actually left our ...
The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...
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