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Astronomy Jul 4, 2025

New Horizons conducts first-ever successful deep space stellar navigation test

As NASA's New Horizons spacecraft traveled through the Kuiper Belt at a distance of more than 5.5 billion miles from Earth, an international team of astronomers used the far-flung probe to conduct an unprecedented experiment: ...

Space Exploration Jun 27, 2025

New propulsion systems could enable a mission to Sedna

In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever discovered. This reddish dwarf planet follows such an extreme orbit that it takes more than 11,000 ...

Planetary Sciences Jun 27, 2025

Cryovolcanism and resurfacing on Pluto's largest moon, Charon

What processes during the formation of Pluto's largest moon, Charon, potentially led to it having cryovolcanism, and even an internal ocean? This is what a recent study presented at the 56th Lunar and Planetary Science Conference ...

Astronomy Jun 19, 2025

Image: Exoplanet GJ504b, 'second Jupiter' directly observed

GJ504b is an exoplanet orbiting a sun-like star GJ 504. It is estimated to be three to six times more massive than Jupiter, making it the lowest-mass planet ever directly imaged. This faint and cold planet, often referred ...

Space Exploration Jun 16, 2025

Amid NASA cuts, popular social accounts for Mars rovers, Voyager going dark

President Donald Trump's NASA budget plans look to cut its public relations funding by half, but already the agency is shuttering social media accounts that include those dedicated to popular missions, including Mars Curiosity, ...

Environment Jun 5, 2025

Woodside's North West Shelf approval is by no means a one-off. Here are six other giant gas projects to watch

The federal government's decision to extend the life of Woodside's North West Shelf gas plant in Western Australia has been condemned as a climate disaster.

Astronomy Jun 3, 2025

'Crazy idea' about cooling effects of Pluto's haze confirmed by new Webb data

The first observations of Pluto by NASA's James Webb Space Telescope (JWST) reveal dramatic phenomena on its surface, like seasonal cycles of volatile ice redistribution across its surface, and material being pulled from ...

Astronomy Jun 3, 2025

How a new planetarium show helped scientists unlock a cosmic secret

Scientists have unlocked one of the solar system's many secrets from an unexpected source: a planetarium show opening to the public on Monday.

Astronomy Jun 2, 2025

Passing stars could have a significant impact on the future of our solar system

For centuries, astronomers have sought to understand the formation and evolution of the solar system and the dynamics that govern it. In particular, there is the long-standing question of whether or not the planets' orbits ...

Space Exploration Jun 2, 2025

Advancing deep space travel with nuclear propulsion

How can fission-powered propulsion help advance deep space exploration, specifically to the outer planets like Jupiter, Saturn, Uranus, and Neptune? This is what a recent study presented at the 56th Lunar and Planetary Science ...

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