More than 50 years ago in the early 1960s, the Soviet space program embarked on a bold new undertaking to go where no human ...

The Russian Space Agency Roscosmos reported on Saturday (May 10): "The spacecraft entered the dense layers of the atmosphere ...

Venus, often written off as a geologically dead world, is far more active beneath its blistering surface than previously ...

This week, an old astronomical controversy is renewed as researchers present new evidence for a hidden "Planet X" in our ...