The city of Kerrville is looking to clear out its remaining inventory of eclipse-themed stickers, posters and postcards. The prices are hard to beat.

A spot on the sun’s surface is expected to disrupt Earth’s magnetic field on Friday, bringing the northern lights to a ...

Using ALMA, astronomers discovered that Proxima Centauri produces frequent, high-energy millimeter-wavelength flares that could significantly alter or strip the atmospheres of its habitable-zone ...

A powerful X1.1-class solar flare causes radio blackouts across the Americas. It was followed by a coronal mass ejection.

Astronomers are warning that Earth could be hit any minute by space weather and intense aurora borealis following the sun's ...

Yet despite the drumbeat of evidence, we still know of just one planet in the cosmos with life — the one you’re standing on.

Solar flares are classified based on their strength and fall into five designated categories: A, B, C, M and X. An X-class solar flare is the most intense type of solar flare and can produce as ...

Radioisotope thermoelectric generators can turn heat into electricity using a principle called the Seebeck effect, discovered ...

After last week's explosive X-flare, sunspot AR4046 is at it again! Could this latest eruption bring stormy space weather to ...

SpaceX launched four people into space Monday evening on a first-ever human mission to orbit Earth's polar regions. If ...

A powerful X1.1-class solar flare was released by the sun on March 28, resulting in radio blackouts across North and South ...

Astronomers used ALMA to observe Proxima Centauri and found frequent, intense flares that could destroy atmospheres of nearby ...