Smithsonian Magazine

A Planet Slammed Into Earth 4.5 Billion Years Ago, Forming the Moon. The Projectile May Have Been Our Neighbor

Little is known about the long-destroyed moon-forming planet, Theia. But it may have been born in the inner solar system—just like Earth—a new study suggests ...
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What if Jupiter replaced the Moon overnight?

See what would happen if Jupiter replaced the Moon overnight. BBQ sauce recall issued over life-threatening consumer risk Why ...
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What if our Moon was replaced by a giant disco ball?

What if our Moon was replaced by a giant disco ball? Imagine Earth bathed in dazzling reflections and night skies transformed ...

Sea level doesn’t rise at the same rate everywhere – we mapped where Antarctica’s ice melt would have the biggest impact

While Antarctic meltwater drives rising sea levels, models show it also delays greenhouse gas-induced warming. That’s because icy meltwater from Antarctica reduces ocean surface temperatures in the ...