Where should humanity set up its first-ever outpost on Mars?
The ideal Red Planet crewed site should be of high scientific value — allowing pioneers to search for signs of Mars life and investigate other intriguing questions — and also possess enough resources to help sustain expeditionary crews, scientists and engineers said.
The supermassive black hole is 40 million times as massive as the sun and powers a quasar that existed 700 million years after the Big Bang.
The asteroid zoomed by Earth at a perfectly safe distance of around 1.8 million miles (2.9 kilometers).
Images show surprise changes to the spacecraft as it interacted with the atmosphere.
