In our Solar System, the planetary orbits all have a similar orientation. Their orbital planes vary by a few degrees, but roughly the planets all orbit in the same direction. This invariable plane, as ...

The object is known as 2025 SC79, and it is 700 meters (2,297 feet) across. It goes around the Sun every 128 days, and it even crosses the orbit of Mercury. First observed on September 27, this object ...

On Oct. 4, 1957, the Soviet Union launched Sputnik 1, the satellite that started the Space Race. Sputnik 1 was the first human-made object to orbit the Earth, and it set off a wave of fear and anxiety ...

The independent Croydon High School has designed and built a working satellite which they aim to launch into low-Earth orbit ...