Water once existed in abundance of at the surface of Mars. How much of that water has been stored in the planet's crust is still unclear, according to a new analysis.

You may have woken up this morning to see brown water falling from the sky, turning everything it landed on brown - like the ...

At least 200,000 homes and businesses across the central United States were without power by Saturday evening, according to tracking site poweroutage.us.

Astronomers rely on clear observations to study celestial objects, but cosmic dust alters what we see, making stars appear ...