The slow race of getting NASA's Space Launch System rocket pieced together for next year's Artemis II moon mission jumped a ...

A giant whirlpool of light, known as a "SpaceX spiral," was recently spotted swirling across the night sky over Europe as a ...

Frozen fuel from the SpaceX Falcon 9 rocket created a luminous swirl that lasted for several minutes and could be seen from ...

A look back at all of the spectacular tests — and failures — that have punctuated SpaceX's development of its Starship rocket ...

Researchers conducted the first-ever near-infrared analysis of an extragalactic recurrent nova and found it is one of the ...

The volley broke months of relative quiet in northern Israel after a U.S.-backed truce. Israel retaliated by attacking sites ...

Deaths of nearby massive stars may have played a significant role in triggering at least two mass extinction events in ...