The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

Can you buy SpaceX stock? Several recent reports have suggested that billionaire Elon Musk's rocket company is planning to go ...

Comet C/2025 R2 (SWAN)'s backdrop is dominated by the Eagle Nebula — a vast cosmic structure of dust and hydrogen-rich gas ...

The Geminid meteor shower, considered one of the best of the year, is about to hit its 2025 peak in mid-December. Here's what ...

The Shenzhou-20 spacecraft was deemed not safe enough to return its crew after the cracks were found, prompting an orbital ...

The Geminids are particularly spectacular because of the amount of meteors people can see. When stargazing from a dark ...

Thermal satellites map block-level heat islands, letting cities target cool pavement and shade where they deliver the biggest ...

Whether a nuclear renaissance actually occurs in the coming decade or two depends on three fundamental questions: Are the new designs safer than their predecessors? Do the new designs lead to changes ...

Harvard physicist Avi Loeb says the 3I/ATLAS anomalies could hint at alien technology, a possibility with major implications for humanity ...