The sun ended the weekend with a bang as a sunspot rotating out of our view erupted with a powerful solar flare on Sunday afternoon. At 2:27 p.m. EST (1927 GMT) on Sunday, (Feb. 24), a X2.0 solar ...

"Every hour counts when you're dealing with CMEs." A space-based telescope has captured new images of the sun that showcase one of our star's fiery outbursts. The fresh visuals come courtesy of ...

DENVER (AP) — When President Donald Trump gave his joint address to Congress last week, he boasted that in his first few weeks back in the White House he had “brought free speech back to America.” But ...

Follow our tips on sun safety for kids and make sure everyone enjoys the sunshine safely when you're out and about. This video can not be played To play this video you need to enable JavaScript in ...

A star like the Sun is at equilibrium - gravity tends to pull it inwards, and radiation pressure from the nuclear reactions tends to expand it outwards. In other words, the gravitational collapse ...

A new habitable planet that orbits a sun-like star been discovered by scientists. The exoplanet, a planet outside our solar system, was originally discovered two years ago by Oxford University ...