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Astrobiology Sep 19, 2026

Scientists simulate cosmic crashes to test whether icy moons gain or lose their ability to sustain life

Many of the moons orbiting Saturn, Uranus and Neptune likely conceal oceans of liquid water beneath miles of icy shell. Because life as we know it needs water, these buried oceans rank among the most promising places to search ...

Nanophysics Sep 17, 2026

Laser shocks turn plastic into ultra-small, high-purity nanodiamonds

Nanodiamonds are tiny diamond particles that usually measure mere millionths of a millimeter. They are extremely hard, stable and heat-resistant and highly adaptable for various purposes in medicine, new materials, catalysis ...

Planetary Sciences Sep 11, 2026

Scientists discover a strange new form of ice that could help explain the interiors of Neptune and Uranus

Scientists have discovered that there is ice deep inside planets like Neptune and Uranus and want to find out what form it takes and how it behaves. They cannot dig for it and transport it all the way back to Earth, so they ...

Planetary Sciences Sep 9, 2026

JWST discovers that Chariklo's invisible rings are changing

Until just over a decade ago, ring systems were thought to be exclusive to the giant planets of the solar system, such as Jupiter, Saturn, Uranus and Neptune. However, in 2013, a small body barely 250 kilometers (155 miles) ...

Astronomy Sep 8, 2026

Hubble and Webb find that far-out solar system objects 'remember' the past

For the first time, scientists used the combined power of NASA's Hubble and James Webb Space Telescopes to study some of the most far-flung bodies in our solar system, trans-Neptunian objects (TNOs). Some are the smallest ...

Planetary Sciences Sep 1, 2026

Saturn encounter may have set distant centaur on path to becoming a comet

More than 3 billion miles (4.8 billion kilometers) from Earth, an ancient icy object is slowly awakening. As it drifts inward through the solar system, the frozen body known as Centaur 450P/LONEOS has begun releasing gas ...

Planetary Sciences Aug 29, 2026

Scientists melted a diamond and cracked a secret of ice giants

Some of the strangest weather in the solar system doesn't happen on Earth or even in Jupiter's Great Red Spot—it happens in the interiors of ice giants like Neptune and Uranus. Specifically, scientists have long believed ...

Astronomy Aug 20, 2026

Interstellar travel IV: Solar, magnetic, & directed-energy sails

Welcome back to our series on interstellar travel! In our first installment, we examined attempts to realize nuclear propulsion and how the technology could be used to reach the nearest star. In our second, we examined how ...

Astronomy Aug 17, 2026

Mega-Earth GJ 523b is 23 times as massive as our planet—but only 2.5 times as wide

It's nearly 170 million years old. It's more than 2.5 times the size of Earth. And it's the first exoplanet discovered and cataloged by researchers with the Wisconsin Center for Origins Research (WiCOR).

Planetary Sciences Aug 15, 2026

Neptune's tiny moons tell the story of Triton's destructive capture

Neptune's moon and ring system stand out among the giant planets because of the strange imbalance between its one very large moon and its many tiny moons. Its largest moon, Triton, makes up more than 99% of the mass of all ...

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