In the bigger picture, "down" could be defined as being below the plane of the solar system, which is known as the ecliptic.

The team said they plan to do further studies to find out what exactly this iron bar is, where it came from and what it ...

A company called Reflect Orbital wants to illuminate the Earth after sunset with orbital sky mirrors, raising alarm bells.

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

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?" ...

Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

What would happen when the Sun releases a burst of energy at the Earth and thousands and thousands of satellites are in the ...

China’s first launches of 2026 send Yaogan spacecraft into unusual orbit, loft Guowang satellites  China conducted a pair of ...

Why don't planets fall into the stars they orbit if they're constantly being pulled by gravity?Lindsey CoughterRocky Mount, ...

N1 and 15 satellites into polar orbit. Dhruva Space contributes seven satellites, marking the 64th PSLV mission.