Every year in early January, Earth reaches the closest point in its orbit to the Sun, a moment astronomers call perihelion.

A research team from the Beijing Institute of Technology (BIT) and Yinhe Hangtian has achieved a major advance in orbit ...

At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...

"Without Mars, Earth's orbit would be missing major climate cycles. What would humans and other animals even look like if Mars weren't there?" ...

Mid-inclination orbit provides more SAR-imaging opportunities at middle latitudes of the globe for ICEYE customers. The new SAR satellites were launched into mid-inclination orbits; compared to a ...