A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior.

In a groundbreaking revelation, NASA’s rover discoveries may change everything we thought we knew about thehistory of Mars.

Republicans in Congress have muscled President Donald Trump's tax and spending bill to passage. Here's what's in it.

The thick, mineral-rich layers of clay found on Mars suggest that the Red Planet harbored potentially life-hosting ...

New modeling of carbon cycle shows unsteady but habitable history before liquid water disappeared New models from recent ...