We learn about the planets, stars, and galaxies by their light—visible ... Light covers 186,000 miles EVERY SECOND (kids, please don't try traveling this fast without adult supervision!!!) ...

We are located around just one star of many in an entire galaxy called the Milky Way. And if we look even further, we find billions of other galaxies out there in the universe, each holding billions ...

Want to introduce children to what could become a lifelong hobby? We've picked out the the best telescopes for kids, just in time to make the most of April's full moon. If there's a space-obsessed ...

The clearest and most precise images yet of the universe in its infancy—the earliest cosmic time accessible to humans—have ...

The visible universe—including Earth, the sun, other stars, and galaxies—is made of protons, neutrons, and electrons bundled together into atoms. Perhaps one of the most surprising discoveries ...

Thus, this constitutes the universe taking its first step towards the formation of galaxies. "We are seeing the first steps towards making the earliest stars and galaxies," director of ACT and ...