Decoding the Kuiper Belt The Kuiper Belt begins at about 50 astronomical units (au) from the Sun, stretching ... is that a ...

Hot spots and tunnels to neighboring "superbubbles" seem to have been created by supernovas and infant star outbursts.

We’re showing that, everywhere we look now, there was some sort of magnetic field that was responsible for bringing mass to ...

The 7 fastest planets in the solar system, ranked by their orbital speeds around the Sun, are as follows: Mercury is the fastest planet in our solar system, orbiting the sun at an average speed of 47.

Mercury is the smallest planet in our solar system. It is the closest to the Sun and has extreme temperature changes between ...

Tiny grains from a distant asteroid are revealing clues to the magnetic forces that shaped the far reaches of the solar ...

Our solar system consists of Sun and celestial bodies bound to it by gravity, including planets, moons, asteroids, and comets ...

This hypothetical Neptune-sized planet would circle our Sun on a highly elongated path, far beyond Pluto. It could have a ...

The closest planet to the sun during the eclipse—and almost always ... as the comet continues on its path towards the inner solar system, comet Pons-Brooks is currently not predicted to ...

The solar system has nine planets, but in 2006 the International Astronomical Union declared Pluto a dwarf planet, making the ...

“The seventh Venus flyby, however, was especially unique, in that spacecraft flew through the planet’s ... Parker Solar Probe ...