Are human the first civilization? Could there have been an advanced civilization that walked the Earth millions or even billions of years ago?
Humans are believed to be the most technologically advanced civilization that’s ever set foot on Earth, or really anywhere in the Solar System. But are we the first?
One of the most beautiful and scientifically interesting objects in space are the globular clusters, containing hundreds of thousands of stars. What are they and where did they come from?
You know what’s scarier than a supernova? A supernova that fails, imploding into a black hole, vanishing from the Universe.
We’ve only seen Uranus and Neptune one time up close. Is It Time To Go Back to Uranus and Neptune?
It’s not just our Solar System that has a habitable zone, it turns out our entire galaxy has regions which would be hostile to the formation of life as we know it.
f you’re going to send a spacecraft to Mars, you’ve got to know that place has an insatiable hunger for our plucky robot companions. Why is this place cursed?