2025-PN7 is around 62 feet (19 meters) wide, and it’s between 2.8 million miles and 37.2 million miles away from Earth. It ...

Three celestial bodies are preparing to meet up for one night in September in a cosmic conjunction that should be widely ...

Astronomers have made an astounding discovery, finding a new ‘moon’, or quasi-moon, that has been following Earth for over ...

Earth asteroid lurked undetected for decades until a telescope in Hawaii spotted it earlier this year. It may be Earth's ...

Astronomers have discovered what they think may be another moon orbiting a distant dwarf planet called Quaoar. This small, ...

The region where the gravitational influence of Earth is the dominant force, is called the Hill Sphere. This extends up to ...

Until recently, we could only study geology by looking at rocks on Earth and the Moon —well, and the rare meteor or two that ...

That raises the possibility that the TRAPPIST-1e exoplanet could also have liquid water and therefore support life.

Earth observation satellite company Planet Labs (NYSE: PL) stock shot sharply higher Monday morning, soaring by 35% through ...

Changes to space policies and projects indicate an administration’s bigger goals, writes Joelle Renstrom. Which is why the ...

For ages, cartographers and scholars have grappled with the challenge of accurately flattening the Earth onto a map without ...

A high-precision time measurement system based on the radioactive decay of manganese-53 was used to determine the precise age ...