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Asteroids

The small size of the blue halite crystals found in two meteorites is shown next to a pair of tweezers.

Blue salt crystals on meteorites stoke conversation about extraterrestrial life

Technology

The blue salt crystals, which resemble blue sapphires, may have come from Ceres, a dwarf planet located in the asteroid belt between Mars and Jupiter.

Asteroid

‘Asteroid hunters’ search for space rocks that could collide with Earth

Technology
An artist's concept of the Psyche spacecraft.

Two new NASA missions look to asteroids for clues about our early solar system

Science
The World

Hunting asteroids before they hunt earth

Environment
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