The interstellar visitor may still have a few things to tell us before it leaves our solar system.
Add Yahoo as a preferred source to see more of our stories on Google. In our solar system, Earth is one of but eight planets – nine, if you really want to count Pluto – and the only one remotely ...
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A 'cold Earth' exoplanet just 146 light-years away might be in its star's habitable zone — if it exists
The planet is one of the best worlds for follow-up studies to determine whether it could be habitable or not.
After decades of searching, astronomers may have finally stumbled upon the first moon known to exist beyond our solar system—and it's an absolute giant. Reading time 3 minutes In September, NASA ...
NASA’s TESS tracked the interstellar comet during a special observation period from January 15 to 22, 2026.
Exoplanets are planets outside Earth's solar system. In 1995, a gas giant named 51 Pegasi b, which orbits a star similar to Earth's sun, etched its name in history as the first exoplanet ever ...
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