As humans, we live out our lives on a planet that is constantly sweeping through a cosmic ocean littered with ancient debris ...

A quasar from just 850 million years after the Big Bang is challenging ideas about how supermassive black holes formed and ...

Where did life on Earth come from? It is one of humanity’s oldest and most fascinating questions. For centuries, people have ...

Earth has a group of cosmic stalkers. Known as "co-orbitals," these small bits of rock have a 1:1 mean motion resonance with Earth. Basically, they take the exact same amount of time to orbit the sun ...

For most of human history, the cosmos was a canvas onto which we projected our fears, our gods, and our most sincere attempts ...

Humanity’s relationship with the moon has always been simple. One planet, one moon — a cosmic partnership as reliable as sunrise. But that clarity just got murkier. Astronomers have confirmed ...

Anything unfortunate enough to venture too close to a black hole inevitably falls prey to the gargantuan object’s inescapable ...

Richard Binzel has been watching the skies for hazardous asteroids for more than 50 years. In 1995, he proposed the Near-Earth Object Hazard Index, later renamed the Torino scale, which rates ...

Scientists say extraterrestrial life may exist elsewhere in the universe, but vast distances, enormous energy requirements ...