An analysis argues that deporting Elon Musk would severely cripple US space exploration and hand dominance to China, ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...

Sometimes "the universe comes to us," writes the European Space Agency. For the third time since 2017, an interstellar object ...

Aliens have been one of the most enduring elements of science fiction. Sometimes they’re terrifying, sometimes they’re wise, ...

Microbes have been discovered alive inside 2-billion-year-old rock, offering a rare window into Earth’s deep past. Found in ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

An astronaut aboard the International Space Station has shared a striking photo of what is known as a Transient Luminous ...

Astronaut Shubhanshu Shukla enjoys Indian food on ISS, breaks Rakesh Sharma's space record, and conducts vital research, ...

The U.S. Air Force has suspended plans it had proposed with Elon Musk's SpaceX to test hypersonic rocket cargo deliveries ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.