Roughly 80% of the mass of the universe is made up of dark matter, a material that scientists cannot directly observe. So why do scientists think it dominates?
NASA’s future flagship telescope, WFIRST, will help us find potentially habitable exoplanets and study a mysterious phenomenon called dark matter.
Chandrayaan-2 is India's planned second mission to the moon. It will consist of an orbiter, a lander and a rover.
Black holes are mysterious objects of extreme density, with such strong gravitational attraction that even light cannot escape from their grasp if it comes near enough.
String theory started as a simplification of everything, but has become increasingly complex over the years.
Solar eclipses are one of nature’s grandest events. What is a solar eclipse? Why are there different kinds of solar eclipses? How do they work? And when is the next one? We explain.
Find out what's up in your night sky during July 2019 and how to see it in this Space.com stargazing guide.
The Wright Brothers’ first plane flight in Kitty Hawk lasted just 12 seconds in 1903, but Orville and Wilbur made history with their Wright Flyer.
The 1903 Wright Flyer that made history's first flight was a relatively simple machine with propellers and wire controls.
Most of the star nearest to Earth are red dwarfs, but they are too dim to be seen with the naked eye.
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