The Giant Arc is making scientists wonder about the basic principles of the cosmos.
Rogue planets could outnumber the stars
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Solar wind repels 70% of cosmic radiation, but it doesn't protect every side of the solar system equally. At the edge of the solar system is a violent …
They’re hundreds of millions of light years long, making galaxies look like a speck of dust.
With the Pentagon's UAP Task Force expected to present its report on UFOs to the US Congress any day now, a group of experts has presented its views …