Powering spacecraft with solar energy may not seem like a challenge, given how intense the Sun’s light can feel on Earth.

Imagine the solar system's planets throwing a Bollywood dance party. Each planet has its unique dance move. Mercury moves ...

Astronomers have identified a quartet of small rocky planets orbiting Barnard's star, one of our closest stellar neighbours.

Astronomers have detected four small planets orbiting Barnard’s Star, one of the closest stars to Earth, at just six ...

"Scientifically there's a huge amount we can learn from asteroids," says Alan Fitzsimmons, an astronomer at Queens University ...

Nuclear pulse propulsion is a technology that would work. It was being developed in the 1960s. It was stopped because of the nuclear test ban treaty and ...

With a whopping total of 274 moons, researchers say Saturn’s tug of war with Jupiter for the title is settled once and for ...

A 'Blood Moon' will bathe a large swathe of the world in red light overnight Thursday during a rare total lunar eclipse.

The 24 solar terms, originating in ancient China, integrate astronomy, farming, phenology and folklore. They greatly ...

Giant space rocks are definitely going to hit the Earth again. We actually do know how to deflect them, but only if we find them and correctly assess their risk. But the solar sys ...