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NASA's New Horizons finds liquid nitrogen flowing on Pluto's heart glacier

Images reveal evidence of recent liquid nitrogen seepage across Pluto's distinctive heart-shaped glacier.

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Summary, timeline and people extracted by Claude from 12 items across 3 sources · 56m ago. Quotes are verbatim.

NASA's New Horizons mission has detected evidence that liquid nitrogen may have recently flowed across Pluto's famous heart-shaped glacier, contrary to expectations that the distant dwarf planet would be a frozen, cratered relic. The discovery, announced in early August 2026, suggests ongoing geological activity on Pluto's surface and represents a continuation of surprising findings from the spacecraft's 2015 flyby.

  • New Horizons detected evidence of recent liquid nitrogen flow across Pluto's distinctive heart-shaped glacier.
  • The finding contradicts earlier expectations that Pluto would be a frozen, geologically inert world.
  • Pluto continues to show signs of ongoing geological activity, including nitrogen glaciers, water ice mountains, and possible subsurface ocean.

How it unfolded

  1. Reaction Public discussion emerges

    Social media discussions begin circulating scientific articles about the liquid nitrogen discovery on Pluto's surface.

  2. Report Second wave of coverage

    Additional outlets including Sci.News, Gizmodo, and Inshorts publish reports on the liquid nitrogen findings on Pluto.

  3. Report Scientific publication details

    Phys.org publishes findings indicating that liquid nitrogen may have recently flowed across Pluto's heart-shaped glacier.

  4. Report Multiple outlets cover discovery

    News outlets including Mashable, NASA Science, Labroots, and others publish articles about signs of recent liquid nitrogen flow on Pluto's surface.

  5. Report New findings announced

    NASA's New Horizons mission reveals evidence that liquid nitrogen may be seeping out of Pluto's giant heart-shaped glacier.

    “NASA's New Horizons mission reveals evidence that liquid nitrogen may be seeping out of Pluto's giant heart-shaped glacier.”

    Mashable · Press ↗
  6. 605 weeks quiet
  7. Event New Horizons encounters Pluto

    NASA's New Horizons spacecraft flew past Pluto and found flowing nitrogen glaciers, mountains of water ice, and hints of a hidden ocean—contradicting expectations of a frozen, cratered relic.

What people are saying verbatim

“NASA's New Horizons mission reveals evidence that liquid nitrogen may be seeping out of Pluto's giant heart-shaped glacier.”

Mashable · Mashable ↗ · Aug 7

“Pluto was expected to be a frozen, cratered relic, but when New Horizons flew past in 2015 it found flowing nitrogen glaciers, mountains of water ice and hints of a hidden ocean”

Space Daily · Google News (Space Daily) ↗ · Aug 7

“Pluto has a heart. Scientists discovered that it's bleeding.”

Mashable SEA · Mashable SEA ↗ · Aug 7