A new space telescope is mapping the sky in 102 colors — and it may just rewrite our understanding of the universe.

One of the big surprises: Despite the moon's cooled crust, the data shows Io maintains liquid hot lava just below the ground.

A space probe called Kosmos 482 sent to explore Venus by the U.S.S.R. in 1972 but marooned in Earth orbit ever since is about ...

There's an issue with the fuel line that feeds the Psyche asteroid probe's thrusters with xenon gas. But we needn't worry yet ...

A Soviet-era spacecraft meant to land on Venus in the 1970s is expected to soon plunge uncontrolled back to Earth.It’s too ...