The mountain that NASA's Mars rover Curiosity is exploring appears to have once been a lake.
The Martian landscape is peppered with features that look very alien and often cannot be easily explained.
The mineral, hematite, is formed when another mineral, magnetite, is exposed to Mars’ atmosphere and water. Continue reading →
The moon's largest mare, called Oceanus Procellarum, was thought to have been formed by a massive impact crater, but gravitational data from a NASA mission suggests otherwise. Continue reading →
In its continuing mission to fathom whether Mars' ancient environment may have been suitable to host microbial life, NASA's Mars rover Curiosity once again dusted off its drill piece and, for the first time, bored into a rock at the base of Mount Sharp. Continue reading →
Is that a tiny cannonball on Mars? Nope, but it is a fascinating object all the same. Continue reading →
In new observations beamed back from a NASA Mars orbiter, an example of transverse aeolian ridges has provided a clue as to how this strange wind-blown feature evolved. Continue reading →
Jupiter's intriguing moon Europa may have a very Earth-like quality -- its thick, icy crust appears to act like Earth's tectonic plates. Continue reading →
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