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Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the discovery of Pluto in the 1930s. Labeled as planet X, prominent astronomers had put it forward as ...
Southwest Research Institute (SwRI) scientists conducted lab experiments to address a mystery about the origins of frozen hydrogen peroxide (H2O2) on Jupiter's icy moon Europa. Their results, published in the July 2025 issue ...
Trans-Neptunian objects (TNO) are some of our solar system's lesser-known objects. They number in the thousands, and they get their name from their orbits. These dwarf planets orbit the sun at a greater average distance than ...
The Subaru Telescope has made an exciting discovery: a small body beyond Pluto, with implications for the formation, evolution, and current structure of the outer solar system.
Our two-person team loaded the car with a GPS, a drone, notebooks, sample bags, a trowel and a flat spatula lovingly called a scoopula. Then we drove 30 minutes in our rented truck from Yuma, Arizona, to the Algodones Dunes, ...
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: ...
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 ...
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 ...
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 ...
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, ...
