A new model uses the lack of cracks on Pluto's icy region as supportive evidence that Pluto may have liquid subsurface oceans, raising the possibility of the existence of basic, microbial ...

The latest 3D map of the known galaxies indicates that the number of planets in the universe may exceed 16 quadrillion. Until the Webb Space Telescope is fully operational in about five years, t...

NASA's Cassini spacecraft has found deep, steep-sided canyons on Saturn's moon Titan that are flooded with liquid hydrocarbons. The finding represents the first direct evidence of the presence o...

The mystery of the so-called “alien megastructure” star just deepened.

KIC 8462852, as it is more properly known, flickers so erratically that one astronomer has speculated that nothing o...

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