Using NASA's planet-hunting spacecraft TESS (Transiting Exoplanet Survey Satellite), astronomers have discovered three ...
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'Planet Y' theory hints at hidden Earth-size world lurking in the solar system — and it could be much closer to us than 'Planet Nine'
A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth than the hypothetical Planet X, which astronomers have been hunting for ...
Astronomers have discovered three Earth-sized planets orbiting two stars in the TOI-2267 system located 190 light-years away.
THAT’s NO MOON - Earth doesn’t just have one moon; sometimes, it has a companion satellite or “mini-moon.” Discovered on ...
NASA scientists announced Monday that they had found the first Earth-sized, potentially habitable planet. The planet, currently known as TOI 700 d, is about 100 light years away. It is orbiting a star ...
A NASA-backed planetary defense group has reportedly begun efforts to pinpoint comet 3I/ATLAS after it was observed emitting ...
The universe has quasi-moons, mini-moons, and moonlets, but no official definition of what counts as a moon.
NASA has confirmed that Earth has a second moon, 2025 PN7, a small asteroid co-orbiting with our planet until 2083.
Though NASA confirms that 3I/ATLAS poses no immediate threat to Earth, its unusual trajectory and behaviour have stirred ...
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