Microscopic crystals extracted from meteorites could help settle a debate about the birth of our patch of the Milky Way.
Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar ...
Add Yahoo as a preferred source to see more of our stories on Google. New research finds that two massive, hot stars swept past the Sun about 4.4 million years ago, blasting nearby gas clouds with ...
Nearly 4.5 million years ago, two enormous, blazing stars swung close to the solar system. They did not touch the sun, but they came close enough to leave a permanent mark on the thin mist of gas that ...
A group of astronomers has found a solar system 116 light-years from Earth that seems to challenge current theories about how ...
Scientists have discovered a massive molecular cloud close to the solar system. As big as 40 full moons as seen from Earth, the vast structure — which poses no threat — is composed primarily of ...
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Astronomers baffled by discovery of a bizarre 'inside out' solar system
A team of astronomers has identified a four-planet system orbiting the red dwarf star LHS 1903 that defies conventional expectations about how planets arrange themselves around their host stars. The ...
The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...
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