References

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.

Where would science be without Albert Einstein?

Spaceport America, near Las Cruces, New Mexico, will serve as as a base for commercial spaceflight.

If Jupiter were the size of a basketball, Earth would be the size of a grape.

Here's how two world powers raced to the moon.

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.

A Dyson sphere is the ultimate solution for living space and energy production.

The full moon happens once a month. Find out when.

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.

The discovery of Eris led to Pluto's demotion to dwarf planet.

Uranus is the seventh planet from the sun and was the first to be discovered.

Ed White, the first American to walk in space, was a pioneer of human spaceflight.

Solar sails traverse the oceans of space.

Artemis is NASA's plan to go back to the moon.