A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity ...

Venus sits just one step closer to the Sun than Earth, making it our nearest planetary neighbor. At certain points in its ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

Something is absorbing light on the surfaces of Pluto and Saturn’s moon Titan, and figuring out what it is could be crucial ...

From the Navy’s infamous Tic-Tac encounter to thousands of recent reports, believers say some of the strangest UFOs may be ...

For most of North America, the moon will slide over Venus in the mid-afternoon. The chances of witnessing this rare event are ...

A new SETI study suggests we may be overlooking alien signals not because they aren't there, but because their own stars are scrambling them before they escape into space. Turbulent plasma and ...

Venus' bizarre and extraordinarily slow retrograde rotation on its axis has long puzzled planetary scientists. But in a new ...

The walls of cells in the leaves' outer layer suddenly soften, allowing the structures to hinge into a closed position, ...

I was, therefore, intrigued by a recent report about grave goods containing a mysterious yellow glass found in 1922 in the ...