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When you gaze up at the night sky, all the stars you see are part of our own Milky Way galaxy. The Milky Way holds 100 to 400 billion stars Learn about how galaxies form, the …
There's much more to stars than meets the eye Our Sun is a star, and it's medium-sized. Super giant stars can be 1,500 times the size of our Sun Come along with science expert …
Take a trip into space and discover the spacecraft, satellites, and telescopes that travel among the galaxies and stars. Learn about the astronauts who have lived in orbit and set …
There's no air in space. But robots don't care Learn more about how these mechanical robonauts can help us understand more about the solar system in which we live.
A giant storm is raging on the planet Jupiter. Scientists have tracked it for about 150 years, but much about the storm remains a mystery. Science expert Velma and the rest of the …
Saturn's stunning rings make it the easiest planet to recognize, but it still has secrets From ancient cultures that watched the skies, to modern scientists who send machines into …
People have long been curious about the solar system. Since the 1960s, several probes, orbiters, landers, and rovers have been sent out to explore and study the planets and their …
Explore the amazing science behind eclipses.
Over the last 400 years, telescope technology has come a long way. From dying stars to burping black holes, take a look at the most exciting discoveries in deep space.
What is a black hole? What is dark matter and what is it made of? How do scientists discover black holes and dark matter if they can't be seen? What do scientists know about these …