An extraordinary astronomical phenomenon will illuminate the sky as stargazers are urged to look up to catch a glimpse of the ...

A commercial plane with 60 passengers and four crew members on board collided with a military helicopter with a crew of three ...

The gigantic coronal hole is blasting high-speed solar wind toward Earth, potentially igniting vibrant auroras and minor ...

Data from NASA's Chandra X-ray Observatory reveals that black holes can cool gas to the proper temperature for a cosmic feast ...

When astronomers detected the first long-predicted gravitational waves in 2015, it opened a whole new window into the Universe.