The Sun fired off two powerful X-class solar flares within hours, triggering temporary radio ...

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The Sun has erupted with an X-class solar flare, the most powerful kind, blacking out shortwave radio communications across the sunlit side of Earth. Here is what happened, why your radio went silent, ...

NASA announced its latest class of astronauts, which includes Anna Menon. Menon is the first NASA astronaut to have orbited Earth before being selected. She previously flew on the private Polaris Dawn ...

Could this be the Perfect Geo-storm? October is off to a hot start: The sun unleashed a massive X-class solar flare — the “strongest of its kind,” according to Space.com — that has the potential to ...

A sunspot so big it rivals the gigantic sunspot responsible for the Carrington Event in 1859 has unleashed another X-class solar flare, triggering radio blackouts on Earth. When you purchase through ...

Add Yahoo as a preferred source to see more of our stories on Google. Sunspot AR4618 erupted with an M4.4-class solar flare causing a coronal mass ejection (CME) that may give Earth a glancing blow.

MISSOULA, Mont. — Montana Technological University will graduate its first class of Earth Science and Engineering Ph.D. candidates on Saturday. There are three students graduating. They include: ...