Scientists have been arguing about the origin of strange streaks on Mars since the earliest missions to the Red Planet.

New research strengthens the case that Venus, long considered a geologically stagnant world, may be more Earth-like in its ...

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

The researchers further demonstrated that the ammonia kicks off an atmospheric chain reaction. Out at sea, tiny plantlike ...

An exhaustive examination of lunar gravity using data obtained by two NASA robotic spacecraft is offering new clues about why ...

Precipitation, to be clear, includes any variant – not just water, but snow or freezing rain and other forms of water falling ...

An exhaustive examination of lunar gravity using data obtained by two NASA robotic spacecraft is offering new clues about why ...

Vincent Courtillot, of the University of Paris Diderot, is at the centre of a controversy over his paper, published in Earth ...