A supernova is one of the most powerful and awe-inspiring events in the universe. It marks the violent death of a star, and ...

Betelgeuse needs no introduction. Besides having its name borrowed by the ghost with the most, this 10-million-year-old red ...

Betelgeuse, one of the brightest stars in the night sky, may not be alone. And its potential companion may be responsible for ...

Scientists have released nine dazzling images from NASA's Chandra X-ray Observatory, blending data with the Hubble and James Webb space telescopes to reveal black holes, star clusters and distant ...

Another (and, in our view, more important) source of energy for life on Iceheim is the heat coming from its core, underneath ...

What could we choose as the seven most remarkable celestial objects visible either with our eyes or with a small telescope?

Neptune and Saturn appear together in a telescope as Mars passes a star in Virgo and Titan’s shadow transits Saturn in the ...

The mesmerizing spectacle of Betelgeuse dimming abruptly in late 2019, a phenomenon ominously dubbed the “Great Dimming,” ...

NASA's telescopes and spacecraft have captured stunning images showcasing the universe's beauty and complexity. These visuals ...

A red supergiant star is surrounded by a sphere of dust and gas so large there is no known explanation for what produced it ...

This breathtaking Hubble image of spiral galaxy NGC 1309 reveals more than swirling stars and glowing dust—it holds a cosmic mystery.

A jaw-dropping 515-mile lightning bolt lit up the skies from Texas to Kansas City, smashing previous records and reshaping ...