Astronomers have a saying about how difficult it is to see a distant planet outside of our own solar system: It’s like spotting a firefly next to a lighthouse. Stars are so luminous that they ...

Thus was born our solar system—the Sun and all the planets ... Some researchers suggest the death of a distant massive star in a violent, luminous explosion called a supernova sent a shock ...

But if this dark matter is everywhere and so abundant, why haven't we seen it in our Solar System? That's the question of Bob Lipp, who wants to know: All the evidence for dark matter and dark ...