Perihelion is the point at which an orbiting body is closest to the sun. The word comes from Greek and literally means around ...

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

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

More objects are being launched into space than ever, and most are headed for low Earth orbit. This region of space has become increasingly crowded with launches from SpaceX and others that have ...

Earth's orbiting satellites are commonly regarded as if they were suspended in mid-air. It is a fact that they actually ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

Today, science can narrow down potential oil reserves with surprising accuracy — especially when it comes to shale oil, found ...

The photo, taken during the X-37B’s seventh mission, shows Earth from High-Elliptical Orbit. On Feb. 20, 2025, the Secretary of the Air Force Public Affairs uploaded on the DVIDS website, what is ...

Pluto is a bit of a loner. The dwarf planet is no longer considered a regular planet; it does not orbit on the same plane as the solar system's eight planets; and its orbit is both highly elliptical ...