NASA study focuses on impact effects on Mars rocks

A NASA study describes how rocks could have been "shocked" and changed by meteorite impacts, once frequent on ancient Mars. This will improve our analysis of rock samples collected from the Red Planet.

Hubble captures the start of a new spoke season on Saturn

New images of Saturn from NASA's Hubble Space Telescope herald the start of the planet's "spoke season" surrounding its equinox, when enigmatic features appear across its rings. The cause of the spokes, as well as their seasonal ...

The world in grains of interstellar dust

Understanding how dust grains form in interstellar gas could offer significant insights to astronomers and help materials scientists develop useful nanoparticles.

VLA and ALMA study Jupiter and Io

While the National Science Foundation's Karl G. Jansky Very Large Array (VLA) and the Atacama Large Millimeter/submillimeter Array (ALMA) frequently reveal important new facts about objects far beyond our own Milky Way Galaxy—at ...

Europa's plate tectonic activity is unlike Earth's

Plate tectonics represents a defining framework of modern geoscience, accounting for large-scale features on Earth's surface, such as mountains and valleys, as well as the processes that shape them, like volcanoes and earthquakes. ...

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