Thanks to Einstein’s relativity, time flows differently on Mars than on Earth. NIST scientists have now nailed down the ...
Earth's climate has swung between ice ages and warmer periods for millions of years, driven by subtle changes in our planet's orbit and axial tilt. These variations, known as Milankovitch cycles, ...
What If on MSN
What is better for life – Mars or Venus?
When it comes to the question of which planet humanity could one day call home, the obvious choice might seem to be Mars. But ...
Morning Overview on MSN
Why anyone who lands on Mars may never return to Earth
Anyone who steps onto Mars will be crossing a one-way threshold in more ways than one. The physics of getting there and back, ...
"If, as has been reported, China successfully executes even a 'grab sample' at Mars and returns it safely to Earth before the U.S., that would constitute a 'Sputnik Moment.'" When you purchase through ...
Astronomers have traced the origins of 200 meteorites to five impact craters in two volcanic regions on Mars, known as Tharsis and Elysium. When you purchase through links on our site, we may earn an ...
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