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The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many ...
Astronomers propose a new hypothetical planet, Planet Y, beyond Neptune, based on observed orbital anomalies in the Kuiper ...
Meet the surprising, oddball worlds moving around our solar system. From meteorites that impact Earth, to a moon that orbits backwards, to an imposter lurking in the asteroid belt, a variety of ...
For astrobiologists, the search for life beyond our solar system could be likened to where one would look in a vast ...
The near-Earth asteroid Bennu contains stardust that is older than the solar system and clues about its violent history, ...
The Hubble Space Telescope has captured a stunning image of a high-speed comet traveling through our solar system. Scientists ...
A team led by University of Arizona astronomer Laird Close has discovered a growing planet outside our solar system, marking ...
NASA’s OSIRIS-REx samples from asteroid Bennu reveal stardust, water-driven chemistry, and clues to life’s origins in the ...