Billions of years ago, in the frigid outer reaches of our solar system, two icy worlds collided. Rather than destroying each other in a cosmic catastrophe, they spun together like a celestial snowman, finally separating while remaining forever linked in orbit. This is how Pluto and its largest moon, Charon, originated, according to a University […]

Outer space is infinite, but that hasn’t stopped humans trying to impose their laws on it. There are more ways for people to travel to space than ever before, and the next few decades are likely to see the US and China sending humans to the moon again.

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Using the VLT Survey Telescope (VST), astronomers from Italy and Germany have observed a group of galaxies designated NGC 5018. Results of the observational campaign, published Dec. 23 on the pre-print server arXiv, yield important insights into the globular cluster system of this group.

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A large team of researchers with varied backgrounds at the Chinese Academy of Sciences has found evidence of a weak magnetic field on the moon approximately 2 billion years ago. In their study published in the journal Science Advances, they analyzed rock samples returned by China’s Chang’e-5 lunar exploration mission.

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Looking halfway across the observable universe and expecting to see individual stars is considered a non-starter in astronomy, a bit like raising a pair of binoculars at the moon in hopes of making out individual grains of dust inside its craters. Thanks to a cosmic quirk of nature, however, an international team of astronomers did […]