An encounter with a cold cloud of gas and dust could have caused our planet's "protective giant bubble" to draw back. When you purchase through links on our site, we may earn an affiliate commission.
The mission's apparent target asteroid zoomed past Earth just this week. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. China is planning its ...
Mars Sample Return campaign makes use of an armada of hardware to collect Martian soil, rock, and atmospheric specimens for return to Earth. Image credit: NASA/JPL-Caltech. Now underway is a ...
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