"Polar orbit" means that instead of orbiting in the same plane as where the two stellar objects are located, the planet’s ...

Here’s a little spoiler for next month’s Cosmic Calendar: early May will see the return of the Eta Aquarid meteor shower. The ...

K2-360 is a newly found planetary system with a super-dense planet, likely the core of a former larger world, shaped by ...

Smaller planets tended to have more circular orbits, while larger planets have flattened (elliptical) orbits. The team also figured out how planets of different sizes form. "What we found is that ...

A group of comets with unexplained movements presents a quandary D avide Farnocchia hunts down and tracks asteroids, and ...

Every planet follows an elliptical path around the Sun at a different speed and distance, and the Moon travels around Earth at a skewed angle about Earth's orbit. Periodically, these orbits ...

Recent flybys of the fiery world refute a leading theory of its inner structure — and reveal how little is understood about ...

Not all of it. Earlier this year, US president Donald Trump promised Congress that he would “lead humanity into space and plant the American flag on the planet Mars and even far beyond”. He’s wrong, ...

Mars is the most similar planet to Earth ... Both Mars and Earth have elliptical orbits (Mars’s lasts 687 days) and the distance between them varies greatly. In 2003, Mars got as close to ...

Blue Origin successfully launched six women over the Kármán line on Monday morning, marking the first all-female spaceflight ...