Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of stars are equally common. Physicists can now explain the dearth.

A Florida-based startup called Space Beyond recently announced that it's locked in plans for its first memorial spaceflight ...

Humanity has changed an awful lot in the past 58 Years. The moon? Not so much. It was in 1968 that astronauts first drew near ...

Penn Engineers have developed a novel design for solar-powered data centers that will orbit Earth and could realistically scale to meet the growing demand for AI computing while reducing the ...

Venus could experience a dramatic meteor shower this summer, the result of the breaking apart of a nearby asteroid that has ...

BEIJING -- A new study has revealed that observing Earth from the moon serves as a powerful way of seeing the planet's true, ...

Earth's radiation budget is a core process of the Earth-atmosphere system, closely linked to global climate and environmental ...

When my colleagues and I send them out to explore our solar system, it's important for us to understand the 3D map of our ...

In the bigger picture, "down" could be defined as being below the plane of the solar system, which is known as the ecliptic. By convention, we say that above the plane is where the planets are seen to ...

A SpaceX Falcon 9 rocket is scheduled to launch from Southern California on Sunday, Jan. 11, 2026. This launch will double as ...