Gravity was the first force that humans noticed, yet it's still the one we understand the least.
Elon Musk is an entrepreneur best known in space circles for launching SpaceX, the first private company to ship cargo to the International Space Station.
Are you worried about the sun suddenly blinking out? Never fear — our star still has billions of years left to shine.
Find out what's up in your night sky during August 2019 and how to see it in this Space.com stargazing guide.
Chandrayaan-2 is India's planned second mission to the moon. It will consist of an orbiter, a lander and a rover.
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.
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.
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