Newly discovered Quipu, a superstructure in which galaxies group together in clusters and clusters of clusters, is the largest known structure in the universe in terms of length, scientists claim.

Data collected by NASA's InSight lander suggest that ancient internal processes are responsible for the "Martian dichotomy" ...

Mars will appear to make an ultraclose approach to the moon on Sunday, after Jupiter had a turn earlier this week. Here's how ...

By revealing a massive radio jet in the early universe, J1601+3102 offers a rare snapshot of early quasar activity.

Astronomers mistook a car SpaceX blasted into space years ago as an asteroid. The brief mix-up highlights the sometimes ...

An international team of researchers has found dark matter dominating the halos of two supermassive black holes in galaxies ...

Our Solar System is simple—one star, planets orbiting around it. But what happens in a system with multiple stars? Scientists ...