Arcturus is a red giant that is one of the brightest stars in Earth's night sky.
Rigel is the brightest star in Orion, and will eventually explode into a supernova, most astronomers say.
The CHIME radio telescope aims to explain two poorly understood cosmic phenomena, one dating back to the early universe and one taking place today.
IBEX is helping astronomers figure out where the edge of our solar system ends and the rest of space begins.
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.
Going to the moon is hard, and Israeli nonprofit SpaceIL is one of a handful of organizations that knows exactly how hard.
Find out what's up in your night sky during March 2019 and how to see it in this Space.com stargazing guide.
Over the course of 11 years, Stardust visited an asteroid and two comets and sent pieces of space matter back to Earth.