The case for a mission to Mars' moon Phobos

Ask any space enthusiast, and almost anyone will say humankind's ultimate destination is Mars. But NASA is currently gearing up to go to an asteroid. While the space agency says its Asteroid Initiative will help in the eventual ...

Catching the planets and new views of Mars

Looking west after sunset on Friday September 26, the thin waxing crescent moon forms a triangle with Mercury and Spica, the brightest star in the constellation of Virgo. You can see how far Mercury has travelled since passing ...

Image: A splash of color across the supermoon

A software engineer from Florida recently captured an image of the day-old supermoon in September that clearly conveys color variations across its surface. Such variations are often imperceptible, but the brightness and ...

Indian spacecraft on course to enter Mars orbit (Update)

India will soon know if its first interplanetary mission will achieve its goal, when a spacecraft built with homegrown technology for a remarkably low price tag of $75 million begins its final maneuvers into orbit around ...

Sandy ridges pose a mystery for future Martian beach vacations

What are these thick dune-like features on Mars, and how were they formed? Scientists are still trying to puzzle out these ridges, which you can see above in a more tropical region of the Red Planet called Iapygia, which ...

How can we find tiny particles in exoplanet atmospheres?

It may seem like magic, but astronomers have worked out a scheme that will allow them to detect and measure particles ten times smaller than the width of a human hair, even at many light-years distance.  They can do this ...

A salty, martian meteorite offers clues to habitability

Life as we know it requires energy of some sort to survive and thrive. For plants, that source of energy is the Sun. But there are some microbes that can survive using energy from chemical reactions. Some of them even eat ...

Electric sparks may alter evolution of lunar soil

The moon appears to be a tranquil place, but modeling done by University of New Hampshire and NASA scientists suggests that, over the eons, periodic storms of solar energetic particles may have significantly altered the properties ...

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