ESA's Solar Orbiter captured views of the planet Mercury passing in front of the Sun. Multiple instruments aboard the spacecraft captured the imagery. Credit: Space.com | footage & orbit animation cou ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

China has announced plans to build a giant solar power space station, which will be lifted into orbit piece by piece using ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

The OSIRIS-REx mission returned to the sample to Earth in September of 2023, and these studies show that it contains amino ...

Have you ever wondered why the planets in our solar system align along a flat plane? Discover the science behind this cosmic arrangement, from the formation of the protoplanetary disk to the forces ...

ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in ...

An asteroid that orbited near Earth for a few months as a mini-moon may be a chunk of the moon that was blasted off by an impact thousands of years ago.

Our Solar System is a carefully balanced celestial dance held together by a virtually perfect balance of gravity and inertia.

Scientists studying samples that NASA collected from the asteroid Bennu found a wide assortment of organic molecules that ...