Perihelion is the point at which an orbiting body is closest to the sun. The word comes from Greek and literally means around ...

Measuring around 41 feet in diameter, the asteroid is speeding towards our planet at more than 38,500 miles per hour.

New simulations show Mars plays a key role in shaping Earth’s long-term climate by influencing its orbit and axial tilt over hundreds of thousands to millions of years.

An international research team using China's Five-hundred-meter Aperture Spherical radio Telescope has found some of the ...

Key opportunities in the orbital transfer vehicle market include multi-satellite deployments, autonomous vehicles, reusable ...

New photos show off NASA's newly constructed Roman Space Telescope, which will soon help researchers unravel the mysteries of ...