The first day of Spring began with some dazzle in Europe and the Arctic with a solar eclipse.
This week, the moon will completely cover the disk of the sun, creating a solar eclipse that only a small part of the world can see.
The most powerful solar storm of the current solar cycle is currently reverberating around the globe.
The sun has erupted with its first X-class solar flare of 2015, a not-so-subtle reminder that it can still muster the energy required to generate the most powerful class of solar explosion.
Tomorrow, a set of four satellites will be launched into the Earth's magnetosphere to study the phenomenon of magnetic reconnection.
It's not a spare moon of ours, exactly, but Earth does have a sort of gravitational buddy out there, in the mellifluously named 3753 Cruithne. It orbits the sun, just like us, and is locked with Earth in what scientists call orbital resonance.
A new computer model of our sun's magnetic field suggests the shape of our solar system's heliosphere is stranger than we ever thought.
This image isn't a close-up from the garden, but an active area of strong magnetic fields on the sun's chromosphere.
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