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Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...
A small, inconspicuous meteorite may be about to change our understanding of how and when our solar system formed. Tiny shavings from the meteorite Northwest Africa 12264 are challenging the long-held ...
An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.
I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...
Have you ever wondered what our solar system looked like 3.8 billion years ago? Were the planets we know today anything like ...
Recreating artificial solar eclipses in space could help astronomers decipher the inner workings of our sun much quicker than ...
Captured just days after its discovery, the images offer the clearest view yet of this rare visitor from beyond our solar system.
Solar System Planets. Astronomy articles on the eight planets, plus the two dwarf planets, Pluto and Eris. Great pictures of everything in the solar system. Updated daily.
When the Sun expands into a red giant, it will swallow the inner solar system and raise the temperature in the outer regions.
This artist’s concept depicts one of the solar system’s inner planets slamming into Earth after being nudged on a collision course by a passing star. Such a world-shattering cataclysm is ...
NASA’s PUNCH mission tracks coronal mass ejections from the Sun to Earth for the first time, offering new insight into space weather.