An exosyzygy – an alignment of three celestial objects around another star – is predicted to happen later this year, but it ...

A galaxy cluster in the early universe is 10 times hotter than it ought to be, which may reshape how we think these enormous ...

Earth is about to see three total solar eclipses in just under two years, with each successive path of totality moving west ...

AI-generated content has been surging on social media platforms, making it difficult to distinguish between real and fake content. Max Chafkin from Bloomberg Businessweek speaks with NBC News’ Tom ...