Researchers say dark streaks along the heart's rim are actually stains left by liquid nitrogen that recently seeped through ...

Dark streaks along Pluto’s giant nitrogen glacier may mark places where liquid nitrogen recently reached and flowed across ...

A new study led by Southwest Research Institute (SwRI) provides evidence that liquid nitrogen is rising to Pluto's surface ...

A new analysis of New Horizon images of the Sputnik Planitia, a section of Pluto’s massive, heart-shaped glacier, suggests ...

Scientists studying New Horizons images say liquid nitrogen may be rising through cracks in Pluto's Sputnik Planitia glacier.

Astronomers using the James Webb Space Telescope have detected an unexplained chemical signature on both Pluto and Saturn's ...

For the first time since its discovery in 1920, Pluto is entering the outer solar system—a journey that’s slowly thinning out ...

Nearly 11 years after NASA’s New Horizons spacecraft made humanity’s first close flyby of Pluto, scientists have returned to ...

Is Pluto geologically active enough to have liquid nitrogen on its surface? This is what a recent study published in The ...

New research suggests Charon's oldest landscapes preserve evidence of early despinning. Tectonic features in Oz Terra indicate a period of faster rotation for the moon. These structures resemble ...

Pluto’s dark side has come into dim view, thanks to the light of the dwarf planet’s moon. When NASA’s New Horizons spacecraft flew past Pluto in 2015, almost all the images of the dwarf planet’s ...

A suspected subsurface ocean on Pluto might be old and deep. New analyses of images from NASA’s New Horizons spacecraft suggest that the dwarf planet has had an underground ocean since shortly after ...