The conquest of space had to start somewhere, and this B-movie was a landmark in taking space exploration seriously.

The exoplanet K2-18b could harbor a massive ocean, but scientists will need to study the planet more to see if it’s really ...

NASA's Lucy will venture as close as 596 miles to this asteroid, an estimated 2 ½ miles in length but much shorter in width. Scientists should have a better idea of its size and shape following the ...

People have expressed outrage over the promotion of the flight's all-female crew and its women's empowerment slant. Experts in gender studies weigh in.