Some of the most stunningly powerful objects in the sky aren’t necessarily the prettiest to look at. But their secrets can allow humanity to glimpse some...
Who has an even bigger grin than ten years ago? This goofy-looking crater on Mars. These two images were taken by the HiRISE camera (High Resolution...
While most of us are now more fastidious about keeping our homes and workplaces clean, on board the International Space Station, cleanliness is imperative. Of high...
Did Mars undergo one long ice age in the last billion years? Or many ice ages? The planet's glaciers and rock deposits hold the answer.
Many consider the various rovers we’ve sent to Mars as the next best thing to sending a geologist to the Red Planet. Spirit, Opportunity and Curiosity...
Astronomers have found evidence of faint gravitational waves using an array of pulsars in our galaxy.
If you can't beat them, join them. There are a lot of ice worlds in the Solar System. Would a robot made partly of ice, that...
A new measure of the cosmic microwave background supports an older universe, and raises more problems for cosmology.
Since time immemorial, philosophers and scholars have contemplated the beginning of time and even tried to determine when all things began. It’s only been in the...
Combining data from two of the largest databases in the world, an international team of astronomers was able to doubledthe number of known high-velocity stars