
Planets
Scientists Say: Regolith
This sandlike dust blankets planets, asteroids and other rocky surfaces of our solar system, including our own planet.
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This sandlike dust blankets planets, asteroids and other rocky surfaces of our solar system, including our own planet.
Ongoing observations and new lunar rock samples, including the first from its far side, should point to how both the moon and our Earth evolved.
Clues about this ancient protoplanet's catastrophic end may have been entombed in Earth's lower mantle for billions of years.
Let’s make our own craters in cocoa and flour to learn how these features form throughout the solar system — and why they’re different sizes.
If the windstorm keeps dwindling, the Great Red Spot could someday disappear — like an earlier spot observed in the 1600s.
This magnetic field encapsulates our planet, sheltering us from damaging energetic threats posed by the cosmos and our own sun.
The robot examined a Mars rock containing organic compounds and “leopard spots.” On Earth, such spots usually come from microbial life.
This space telescope could reveal much about the formation, makeup and evolution of distant exoplanets.
Researchers took a new look at decades-old images from NASA’s Magellan spacecraft. These now suggest volcanic activity is widespread on the planet.
A huge, rocky remnant beneath Pluto’s surface could explain the odd location of Sputnik Planitia — its famous heart-shaped basin.