Investigating an area of interesting light rock seen from orbit, Curiosity found some particularly weird-looking structures.

Think you know your Dyson spheres from your dark blobs? This cosmic crossword dives into the strangest, most mind-bending structures ever spotted — or imagined — in the universe. When you purchase ...

An odd-looking series of polygon-shaped structures have been discovered on Mars, as revealed in new images obtained by NASA’s ...

Add Yahoo as a preferred source to see more of our stories on Google. A bizarre radio galaxy discovered by a citizen scientist has left astronomers puzzled, revealing a never-before-seen ...

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As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth. Out ...