A distant tailless comet hails from inner solar system, but as its lack of ice shows, it's likely an ancient body, hailing from when the planets were being born.
How did these odd scars form on the icy world?
Was the 1977 'Wow!' signal communications from an alien civilization? Or was it interference from a passing comet? In 2017, we may finally have an answer.
If it is out there, the hypothetical Planet 9's gravity probably isn't impacting the orbit of NASA's Saturn mission.
The true nature of mysterious fast radio bursts (FRBs) may not have been revealed after all.
Astronomers have found a monster black hole, some 17 billion times more massive than the sun, in a modestly sized galaxy, raising suspicions that supermassive black holes may be much more common than originally thought.
After a year of speculation since NASA's Dawn mission arrived in orbit around dwarf planet Ceres, we may be coming close to answer as to what is causing its mysterious bright spots inside the famous Occator Crater.
NASA's New Horizons has found an icy oddity that highlights one of the key processes that is believed to shape this dwarf planet's surprisingly young surface.
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