For decades, the asteroid that ended the reign of the dinosaurs has stood as a symbol of total planetary devastation. But ...

The asteroid that struck the Earth 66 million years ago devastated life across the planet, wiping out the dinosaurs and other organisms in a hail of fire and catastrophic climate change. But new ...

M87* and Sag A*. The fact that we can capture such images is remarkable, but they might be the only black holes we can ...