The sun is Earth's closest star, yet its beauty is too intense to appreciate with the naked eye. Here are some of the most ...

The sun is Earth's closest star, yet its beauty is too intense to appreciate with the naked eye. Here are some of the most stunning solar images that our satellites and telescopes have captured.

Comet Tsuchinshan-ATLAS will round Earth mid-month, but an astronaut on the International Space Station captured amazing ...

Solar flares are flashes of ultraviolet and X-ray radiation released from active areas of the sun's surface, usually sunspots. They are classed by power on a scale of A, B, C, M, and X-class, where X ...

A rare comet is still glowing over Ohio. Here's how to see it before it's gone, and won't return for 80,000 years.

The passing of comet Tsuchinshan-Atlas is close enough to Earth, an estimated 44 million miles away, to see with the naked ...

New photos of comet Tsuchinshan-ATLAS appear to show a faint "anti-tail" pointing away in the wrong direction. The puzzling ...

NASA is launching a coding competition to get some much-needed help with organizing images from April's solar eclipse for the ...

Skywatchers in the Northern Hemisphere have been treated to a stunning celestial display with the recent appearance of comet C/2023 A3 (Tsuchinshan-ATLAS).

This rare sighting in the region was due to a G4 geomagnetic storm that reached Earth, triggered by a coronal mass ejection ...

A once-in-80,000-year sight will make its closest approach to Earth this weekend before heading into the vast abyss of outer ...

A Supermoon is gracing our skies on Thursday night, and it's going to be a showstopper. The Hunter's Moon, the largest full ...