Here’s what you should know when you go outside to see for yourself: Yes, the planets are indeed lined up across our sky. No, ...

A new study in astrophysics has found why some planets’ paths have certain peculiar features. The formation of the solar ...

A planet-sized visitor possibly visited the solar system billions of years ago and permanently changed the cosmic neighbourhood by warping the orbital path of four outer planets of the system ...

The closest of the asteroids to us—estimated to be about the size of a car—is whizzing through space at 27,358 miles per hour ...

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

The moons around planets in the Solar System are natural satellites – they ... but will travel around a fixed path.

NASA is tracking a truck-sized asteroid which is set to hurtle by Earth today at many times the velocity of a speeding bullet ...

Beyond Neptune lies the Kuiper Belt, a vast expanse of icy bodies that may hold clues to the solar system’s formation. These ...

The ISS's orbit is slowly decaying. While it might seem a permanent fixture in the sky, the orbiting space laboratory is only about 400 km above the planet. There might not be a lot of atmosphere at ...

An unidentified interstellar object, possibly eight times Jupiter’s mass, may have disrupted the solar system’s planets.

"A parade of planets, also sometimes referred to as a planetary alignment, is when several planets in our solar system appear to line ... "It’s happening because of the specific orbital speeds and ...