Planetary Science News

Jan 26, 2026 by News Staff

Planetary scientists analyzing oxygen isotopes in lunar soil from the Apollo mission sites conclude that meteorite bombardment over 4 billion years could only have delivered a tiny fraction of Earth’s water, forcing researchers to rethink a long-held theory. A close-up view of a portion of a ‘relatively fresh’ crater, looking southeast, as photographed during the third Apollo 15 lunar surface moonwalk. Image credit: NASA. Research has previously...

Jan 20, 2026 by News Staff

A duo of geophysicists from Washington State University and Virginia Tech has uncovered a plausible pathway for nutrient transfer from the radiation-charged...

Jan 20, 2026 by News Staff

New research challenges conventional wisdom by demonstrating that mid-ocean ridges and continental rifts, not volcanic eruptions, played the central role...

Jan 20, 2026 by News Staff

New research by MIT planetary scientists shows how striking differences in the polar vortex patterns of Jupiter and Saturn may be driven by deep interior...

Jan 7, 2026 by News Staff

A new analysis of stress, tides and interior forces suggests Jupiter’s icy moon Europa lacks the active seafloor faulting needed for robust hydrothermal...

Dec 17, 2025 by News Staff

The data from NASA’s Cassini mission to Saturn initially led researchers to suspect a large underground ocean composed of liquid water on Titan. However,...

Dec 11, 2025 by News Staff

The composition of Uranus and Neptune might be less icy than previously thought, according to a new study by University of Zürich scientists. Uranus could...

Dec 10, 2025 by News Staff

Researchers have detected an unexpectedly high abundance of presolar grains — dust from stellar explosions predating our Solar System — in...

Dec 9, 2025 by News Staff

Jupiter’s icy moon Europa is an ocean world that is a prime candidate in the search for potential extraterrestrial habitability and life beyond Earth....

Dec 9, 2025 by News Staff

This gum-like material — never seen before in space — was likely formed in the early days of the Solar System, as Bennu’s parent asteroid...

Dec 9, 2025 by News Staff

In 1986, NASA’s Voyager 2 provided the only direct measurement of the radiation environment at Uranus. These findings established the well-accepted characterization...

Dec 3, 2025 by News Staff

A team of researchers from the United States and Japan has analyzed an extract from a sample of the near-Earth asteroid (101955) Bennu collected by NASA’s...

Dec 3, 2025 by News Staff

NASA’s Perseverance rover has discovered several thousand small, light-toned rock fragments, or float rocks, with some exhibiting spectral signatures...

Dec 1, 2025 by News Staff

Using data captured by the SuperCam microphone aboard NASA’s Perseverance rover over two Martian years, planetrary scientists have detected 55 triboelectric...

Nov 21, 2025 by News Staff

The Moon formed from a giant impact of the proto-Earth with the ancient protoplanet Theia. In a new study, a team of scientists from the United States,...

Oct 21, 2025 by Natali Anderson

Titan offers great motivation for the detailed study of organic chemistry in unconventional conditions. Nonpolar hydrocarbons such as ethane and methane...

Oct 14, 2025 by News Staff

On some of the dune fields on Mars, parallel channels, called linear dune gullies, are found. Contrary to their name these gullies are often highly sinuous....

Oct 14, 2025 by News Staff

Exploring the possibility of the survival of life under extraterrestrial conditions is an important goal of astrobiology. In a new study, scientists used...

Oct 9, 2025 by News Staff

Roughly 4.3 billion years ago, when our Solar System was still in its infancy, a giant asteroid slammed into the far side of the Moon, blasting an enormous...

Oct 7, 2025 by News Staff

The leading hypotheses for the origin of the Moon call for a giant impact event between proto-Earth and a separate impactor called Theia. The efficiency...