NASA just confirmed that a quasi-moon has been orbiting since 1960. Here is everything to know about what is being called a "second moon." ...

On July 1 this year, astronomers discovered an object moving through the Solar System at escape velocity, our third interstellar visitor that we know about. The object, dubbed 3I/ATLAS, is now known ...

Surrounding our solar system is a natural and enigmatic cosmic shield called the heliosphere — and a new mission has launched to help astronomers better understand it. Created by the solar wind, a ...

Sept. 24 (UPI) --SpaceX launched a trio of spacecraft Wednesday morning, each meant to study the sun and space weather, and their affects on Earth. The Falcon 9 rocket launched from NASA's Kennedy ...