While much of Perseverance's work focuses on ancient rocks that record Mars' long-lost rivers and lakes, megaripples offer a ...
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Social media users in the Central Valley are freaking out about unusual fog, and what might be in it
A 400-mile blanket of fog has socked in California's Central Valley for weeks. Scientists and meteorologists say the ...
From an interstellar comet to breathtaking auroras and from brand-new rockets to iconic space telescopes, here are some of our favorite images from the cosmos in 2025 ...
A bevy of comets, a "blood moon" total lunar eclipse and impressive northern lights were just three of the skywatching highlights in 2025. Here's how they unfolded.
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