Sound as we know it does not exist in space. That’s because, on Earth, sound mainly travels to our ears via vibrating air molecules. Because space is a vacuum, meaning there is no matter at all ...

For this reason black holes are invisible to the eye, as lightless as the empty, dark space surrounding them. Scientists know ...

From fiery 'blood moons' to ancient legends, discover the surprising science and history behind lunar eclipses.

It’s surprising that humans have maintained a continuous presence in space for so long, and on a structure so complex. On a clear night, it looks like a bright, fast-moving star. It’s surprising that ...

Knowing a handful of offbeat and interesting facts is a great way to connect with others. Whether you're trying to come up ...

In this collection of trivia bits, you'll find interesting facts on how the observation got ... It's so large, in fact, that it can be seen from space, making it the only living structure on ...