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We summarize the week's scientific breakthroughs every Thursday.

  1. Planetary Science

    The Cassini probe dies tomorrow. Here’s how to follow its end

    Science News is on the scene at NASA’s Jet Propulsion Laboratory for the big finish of the Cassini mission to Saturn.

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  2. Astronomy

    So long, Titan. Cassini snaps parting pics of Saturn’s largest moon

    The last swing past Saturn’s largest moon sent Cassini heading directly towards the planet — and showed how future spacecraft will explore other moons.

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  3. Astronomy

    The sun’s strongest flare in 11 years might help explain a solar paradox

    The sun tends to release its biggest flares at the ends of solar cycles — and we might finally be able to test why.

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  4. Astronomy

    Final flyby puts Cassini on a collision course with Saturn

    A “last kiss goodbye” with Saturn’s largest moon sent the Cassini spacecraft on its final trajectory into the planet’s atmosphere.

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  5. Astronomy

    Pluto’s pits, ridges and famous plain get official names

    From Adlivun to Voyager, the International Astronomical Union officially names 14 surface features on the dwarf planet.

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  6. Planetary Science

    Readers were curious about rogue planets, exomoons and more

    Readers had questions about rogue planets, human arrival in Australia, and exomoons.

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  7. Planetary Science

    Moons of Uranus face future collision

    By studying variations in the rings of Uranus, researchers have determined the mass and density of the planet’s moon Cressida.

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  8. Planetary Science

    Rings of Uranus reveal secrets of the planet’s moon Cressida

    By studying variations in the rings of Uranus, researchers have determined the mass and density of the planet’s moon Cressida.

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  9. Astronomy

    Tabby’s star is probably just dusty, and still not an alien megastructure

    New looks at older data on the weirdly flickering Tabby’s star muddy possible explanations — but it’s still probably not aliens.

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  10. Astronomy

    Star that exploded in 1437 tracked to its current position

    Astronomers have hunted down a star seen exploding in the year 1437 and traced it since, offering clues to the stages of a white dwarf.

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  11. Planetary Science

    ‘Death Dive to Saturn’ celebrates the Cassini probe’s accomplishments

    A new documentary, “Death Dive to Saturn,” takes a look back at the Cassini spacecraft’s 13 years at Saturn and what to expect from its final days.

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  12. Astronomy

    Rumors swirl that LIGO snagged gravitational waves from a neutron star collision

    Telescopes seem to be following up on a potential gravitational wave sighting.

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