The newly released images from a December flyby are so detailed that scientists can see explosions and the flow of solar winds.

From a Cold War-era plane to cutting-edge space probes, humans have pushed speed to extraordinary limits. The fastest of all—NASA’s Parker Solar Probe—is currently flying at 700,000 km/h toward the ...

Around 20,000 to 60,000 years ago, as Homo sapiens spread across the Earth during the Ice Age, they encountered dramatic ...