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Most astronomers agree that life is likely common throughout the universe. While Earth is the only world known to have life, ...

Earth's atmosphere pulses in sync with the sun's fiery outbursts, indicating it is more sensitive to solar activity than previously thought, according to new research.

In December, astronomers identified that the asteroid YR4 had a small but not insignificant chance of striking Earth in 2032, ...

The curious minds at What If explore just how many Earths could fit inside each of the major planets in our solar system.