Space

  1. 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.

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  2. Space

    The next astronauts to walk the moon will be more diverse than the last

    Space agencies are preparing to send the next generation of astronauts to the moon and beyond. Here’s how future crews will differ from the last.

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  3. Earth

    Scientists Say: Equinox and Solstice

    Equinoxes and solstices mark the maximums, minimums and mediums of hours spent in daylight.

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  4. Space

    Spacecraft 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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  5. Planets

    Saturn’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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  6. Planets

    The 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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  7. Space

    NASA 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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  8. Planets

    Mars 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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  9. Space

    Scientists Say: Astronaut

    Astronauts have been going to space for over 60 years.

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  10. Space

    Jets 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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  11. Physics

    Explainer: 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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  12. Planets

    Check 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.

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