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Scientists have just discovered what these barbed artifacts from a vanished land really are

Meteorite clues point to a huge, unknown object in the early solar system

Lose yourself in 50 breathtaking new images released for the Hubble Anniversary

Meet the ‘king’ of a toxic underground ecosystem unlike anywhere else on Earth

Planets will align in the sky on Monday. Will the star of Bethlehem return?

Astronomers may have detected the first radio signal from an exoplanet

Dark Vortex on Neptune changes direction in an unprecedented phenomenon

Physicists have created an insanely accurate clock that keeps time with the help of entanglement

The Moon has a strange, hidden effect on Earth that is leaking powerful greenhouse emissions

There is a man-made barrier in space that surrounds the entire Earth