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Astronomy 19 hours ago

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 ...

Space Exploration Jul 7, 2026

NASA's New Horizons spacecraft wakes from its longest hibernation in good health

Following its longest hibernation period ever of nearly a year, NASA's New Horizons spacecraft has emerged in good health and is ready to begin transmitting science data gathered in the distant Kuiper Belt far beyond Pluto.

Astronomy Jul 7, 2026

New Horizons watches the solar wind as it slows down

Where does the solar system end and interstellar space begin? That's a question scientists have been working to answer using spacecraft traveling beyond the sun's influence. A team of researchers from the Southwest Research ...

Astronomy Jun 29, 2026

New Horizons tracks solar wind slowdown as interstellar atoms add drag

A new Southwest Research Institute (SwRI) study based on data from NASA's New Horizons spacecraft has uncovered insights into why the solar wind gradually slows as it moves toward the edge of the solar system and the boundary ...

Planetary Sciences Jun 24, 2026

Did gravitational tides cause Earth's extinctions?

Life on Earth took a long evolutionary journey that eventually created us, the purportedly intelligent species that dominates the planet. But there was no grand plan or design, only happenstance, nature and luck. Life on ...

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