A passing star has been discovered that could cause chaos in the Solar System, sending Earth flying out of orbit.

Solar scientists have unveiled spectacular new images of plasma "rain" in the sun's corona using adaptive optics.

As Earth’s orbit becomes increasingly crowded, we need more data on how space weather impacts their reentries, researchers ...

Mercury, for instance, is already the wild card of the inner planets. Its orbit grows more eccentric over time, increasing ...

Saturn's moon Titan has an atmosphere that spins with a tilt completely separate from the moon's surface rotation.

Scientists have identified an object about 435 miles (700 km) wide inhabiting the frigid outer reaches of our solar system that might qualify as a ...

A new astronomical study suggests that Earth could one day be ejected from the solar system, not by the aging of the Sun, but ...

Since the corona is dimmer than the Sun's surface, it's challenging to observe. It's visible during total solar eclipses when ...

New research suggests that our entire solar system is vulnerable to being thrown into chaos by a distant star.

For instance, Neptune migrated outward, switching places with Uranus, and pushed a lot of the small, icy bodies into the ...

The TNO, which are described as minor planets that orbit the sun at a greater distance than Neptune, were found on the edge ...