Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

At first glance, the night sky appears still. But in reality, everything moves, our Solar System being no exception. As it ...

Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...

The Sun's activity typically peaks at solar maximum, but there's an even more dangerous stage it could enter, and with ...

In a groundbreaking discovery, NASA's Pleiades supercomputer has revealed an unexpected spiral structure within the inner ...

We don't have to worry about the death of the sun any time soon, but when it does happen, will the Earth be able to survive?

Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and ...

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

The solar system could be packed with 1 million alien visitors, space rocks shaken away from our cosmic neighbor Alpha ...

Partial solar eclipses occur when the Sun, Moon, and Earth are not perfectly lined up, making it appear that only part of the ...