How much is Mars really like Earth? Could our solar system neighbor become a travel destination in the future? Could we live there? Everyday Einstein investigates the Martian habitat.

How much do you know about the largest human-made object in space, the ISS? Here are cool facts about what it is, who lives there, and where you can see it.

Adding up all of the mass in every asteroid in our entire solar system totals only less than the mass of our Moon. But what’s the difference between asteroid, meteor, meteorite, and even comet?

Our universe is 13.8 billion years old,. How do astronomers arrive at such an enormous number? more with Sabrina @qdteinstein @quickdirtytips at #365daysOfAstro

Antimatter may sound like science fiction, but it actually surrounds us every day. So what is antimatter? more at #365DaysOfAstro with @QDTeinstein

If stars are balls of gas, then why do we draw them as pointed or spiky objects? more with Sabrina from @quickdirtytips #365DaysOfAstro

In 2006, Pluto was officially stripped of its planetary status. Now that debate is being reignited with some astronomers calling for the reinstatement of Pluto as a planet, arguing that the icy world should never have been demoted in the first place. So what is the deal? Is Pluto a planet?

What if we could take a shortcut through spacetime and visit another galaxy? Sci fi movies have imagined the possibility for years, but are wormholes real?