A huge, heart-shaped sunspot shot off a strong solar flare Sunday evening (April 17), temporarily disrupting radio communications here on Earth.
Was there a so-called 'super-Earth' planet that formed inside the orbit of Mercury? If so, it might have been eaten by our sun.
Using the modern version of a 150 year-old technique, NASA has photographed an incredible view of an aircraft's sonic boom.
Astronomers have studied a violent young sun-like star, revealing that life on Earth is lucky to have such a strong global magnetic field.
In a dramatic new composite image released by NASA, 23 high-definition observations of our nearest star have been compiled creating the mother of all solar portraits.
Some of the greatest cosmic mysteries are closer to home than you may think.
You can say what you like about our nearest star, but as this latest solar eruption proves, it certainly has impeccable timing.
We could find small planets close to Earth using a new technique being tested on our own sun.
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