Temperatures in the Sun's core exceed 10 million degrees Celsius. But how on Earth did we actually come to know that?
Finding a tiny planet around bright stars dozens or hundreds of light-years from Earth is extremely difficult.
The brightest gamma-ray burst ever observed, GRB 221009A behaved in unexpected ways that might help us understand how they occur.
We don't know what causes Miyake events, but these great surges of energy can help us understand the past—while posing a threat to our future.
As Marcel Proust said, “The real voyage of discovery...consists not in seeking new landscapes, but in having new eyes.”
In a distant galaxy, a cosmic dance between two supermassive black holes emits periodic flashes of light.