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Planetary Sciences Oct 27, 2026

Rubin Observatory reveals its first dwarf planet candidate in our solar system

Scientists may add a new dwarf planet to the official roster of our solar system. The distant, icy body, provisionally dubbed 2026 ED138, orbits our system beyond Pluto. It was spotted earlier this month by a scientist combing ...

Astronomy Oct 27, 2026

Double debris disk orbiting a dead star hints at our solar system's future

Astronomers using the European Southern Observatory's Very Large Telescope (ESO's VLT) have found a rare disk of debris around a dead star that provides a glimpse of what may happen to our solar system. Unlike in similar ...

Planetary Sciences Oct 19, 2026

Enigmatic Mercury will remain a puzzle until someone sends a lander

Mercury remains one of our solar system's most elusive and difficult planets to study. It's easier to send probes to the icy moons of Saturn or Jupiter, or even to Pluto, than to land on our innermost planet, Mercury.

Planetary Sciences Sep 1, 2026

Giant impact could have formed an intact moon within five hours, simulations suggest

New Southwest Research Institute (SwRI) modeling, conducted in collaboration with scientists at the University of Arizona, shows fundamental differences in how the moon may have formed from the giant impact that created the ...

Astronomy Aug 28, 2026

Will new telescope Roman help reveal long-kept secrets of the universe? Q&A with an expert

On Sunday, Aug. 30, the Nancy Grace Roman Space Telescope is expected to launch from NASA's Kennedy Space Center in Florida. The observatory will join the Hubble Space Telescope, launched in 1990, and the James Webb Space ...

Planetary Sciences Aug 6, 2026

Liquid nitrogen may have recently flowed across Pluto's heart-shaped glacier

A new study led by Southwest Research Institute (SwRI) provides evidence that liquid nitrogen is rising to Pluto's surface through cracks at the northern edge of Sputnik Planitia, part of the massive heart-shaped glacier ...

Planetary Sciences Aug 3, 2026

Pluto's hazy atmosphere may be collapsing as it moves farther from the sun

Pluto is on an icy march away from the sun. In 2114, it will turn back, but until then, its elliptical orbit will carry it to colder and darker parts of the outer solar system. This is Pluto's first time entering the outer ...

Space Exploration Jul 30, 2026

Neptune's inner moons may be shattered remains of ancient icy worlds

In 1989, the Voyager 2 mission discovered six new moons orbiting Neptune, including five tiny ones that orbit just outside the planet's main rings. Because of their small sizes and locations, these satellites have been difficult ...

Planetary Sciences Jul 14, 2026

The spin of Pluto's moon, Charon, may be slowing down

Evidence of the slowing of Charon's spin period (despinning) is recorded in tectonic features on the surface of Pluto's icy moon, according to a modeling study published in Nature Communications. The findings offer insights ...

Astrobiology Jul 13, 2026

Six massive landslides discovered on icy Pluto

Scientists have detected evidence of landslides on Pluto for the first time. A paper published in the journal Icarus reports that images taken by the New Horizons spacecraft during a flyby revealed six large landslides in ...

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