Simulations reveal that Jupiter’s rapid growth disrupted the early solar system, creating rings where new planetesimals ...

The most powerful solar flare of 2025 has launched a ball of energy toward Earth that could trigger widespread auroras across ...

There were significantly more X-class solar flares in 2024 than any other year for at least three decades. The arrival of solar maximum was a key reason for the spike, but other factors were also at ...

In one of the most exciting developments in astronomy in the 21st century, NASA is launching the James Webb Space Telescope (JWST) today–and Northern Arizona University astronomers, planetary ...

Our solar system is a weird place. Much more than a home to eight planets, it’s filled with a myriad of fascinating other smaller bodies, including moons, asteroids, and comets. In recent decades, ...

A series of three powerful flares and associated explosions of solar material out across the Solar System have set Earth ...

Our solar system is a smashing success. A new study suggests that from its earliest period — even before the last of its nebular gas had been consumed — Earth’s solar system and its planets looked ...

When planetary rings are mentioned, the image of Saturn immediately comes to mind. However, this celestial feature is not ...

The back-to-back eruptions caused radio blackouts across two hemispheres as the active sunspots turn to face Earth.

Approximately 4.5 billion years ago, a cold cloud of gas and dust buried deep in one of the Milky Way galaxy’s spiral arms started to collapse. From there, gravity worked its magic. The cloud began to ...