In 1986, NASA’s Voyager 2 spacecraft made an unprecedented flyby of Uranus, uncovering a mystery that would puzzle scientists for decades. The spacecraft’s instruments recorded unexpectedly high ...

Fresh observations from the James Webb Space Telescope show how vivid auroras surge through Uranus’s tilted magnetic field ...

When Voyager 2 flew past Neptune, it revealed a planet far more extreme than anyone expected. Beneath the calm blue appearance were supersonic winds, massive storms, and an interior unlike any other ...

New spacecraft data from Pioneer, Voyager and Juno show that Jupiter is slightly smaller and more flattened than earlier estimates, refining the planet’s measured size and shape.

T here are currently six planets visible in the night sky, in a lovely planetary parade. All but Mars can be seen after ...

Webb maps Uranus’s upper atmosphere, revealing cooling temperatures, shifting auroras, and the effects of its tilted magnetic field.

Stretching billions of miles beyond Neptune, a vast ring of primordial debris holds the frozen blueprint of our solar system’s history. Recent data from deep-space probes suggest this region is far ...

If you’re interested in extraterrestrial life, these past few years have given an embarrassment of places to look, even in our own solar system. Mars has been an obvious choice since before ...

This rare “planet parade” features six planets—Mercury, Venus, Neptune, Saturn, Uranus, and Jupiter—appearing clustered along the ecliptic, the Sun’s apparent path across the sky, creating a stunning ...

Using the Transiting Exoplanet Survey Satellite (TESS) and High Accuracy Radial velocity Planet Searcher for the Northern ...

NASA has repaired its Artemis 2 rocket, apparently keeping things on track for a possible April launch of the first crewed moon mission in more than 50 years.