A very powerful coronal mass ejection (CME) struck Earth early this morning (EDT) causing a "G2" geomagnetic (radiation) storm, and "M-Class" solar...

The first of three coronal mass ejections (CMEs) that are directly targeted to Earth arrived last night, Wednesday and it caused a "G1" level...

Historically, scientists have thought the Earth’s core to be simple, composed of an inner solid core, a liquid outer core and a magnetic field...

Another "M.1-Class" solar flare, and instead of harboring energy for further "M-Class" flares, our Sun now has energy for the more powerful "X-Class"...

When a coronal mass ejection (CME) launches off from our Sun, according to its strength, it can take anywhere from a few hours to approximately three...

When a coronal mass ejection (CME) launches off from our Sun, according to its strength, it can take anywhere from a few hours to approximately three...

After 24 years diligently studying Earth's magnetic field, a satellite will mostly burn up over the Pacific Ocean on Sunday during a "targeted"...

After 24 years diligently studying Earth's magnetic field, a satellite will mostly burn up over the Pacific Ocean on Sunday during a "targeted"...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to...

By tuning in to the rumble of earthquakes, scientists took an X-ray of the Earth – and discovered something extraordinary.