Planets
Planets like Star Wars’ Tatooine could be fit for life
Like Luke Skywalker’s home, planets orbiting two stars may be plentiful. A new computer model suggests that many of those worlds could sustain life.
Space
More Stories in Space
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SpaceSpacecraft traveling through a wormhole could send messages home
A probe going through a wormhole should be able to send messages home before such a tunnel forever closes, a new computer model finds.
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PlanetsSaturn’s moon Enceladus wears a thick blanket of snow
Pits on the frosty moon reveal the snow’s surprising depth, up to 700 meters (2,300 feet) in some places.
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PlanetsThe dwarf planet Quaoar hosts an impossible ring
Quaoar’s ring lies outside the Roche limit. That’s an imaginary line beyond which rings aren’t thought to be stable.
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SpaceNASA is readying to send humans back to the moon
The launch of NASA's Artemis I is a huge step toward sending humans back to the moon and beyond.
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PlanetsMars might still be volcanically active, quakes there suggest
Seismic rumblings picked up by NASA’s InSight lander hint at molten rock moving deep below the planet’s fractured surface.
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SpaceJets may have sculpted rings of Cat’s Eye nebula
The Cat’s Eye nebula is one of the most complex of its kind. A 3-D model now reveals the source of that complexity.
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PhysicsExplainer: What are the different states of matter?
Most people know solids, liquids and gases — but what about the four other states of matter?
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PlanetsCheck out the first direct look at Neptune’s rings since the ’80s
The Voyager 2 spacecraft took the first pics of Neptune’s rings 33 years ago. Now, NASA’s James Webb telescope is providing a more detailed view of them.