It may not feel like it, but everything in the universe is in constant motion. Our Sun, with all its planets, orbits the center of the Milky Way, flying through the cosmos at around 450,000 miles per ...

The estimated lifespan of the outer solar system has been downgraded from 100 billion years to just a few billion years, ...

As published in The Astrophysical Journal Letters, theoretical astrophysicists Konstantin Batygin and Jim Fuller of Caltech, ...

We live in uninteresting times. Since the ructions that created the planets in the solar system’s first 100 million years (see “How was the solar system built?”) – and apart from an early migration of ...

Discovery suggests raw ingredients for life are common in the dusty discs out of which planets are born.

According to a new study, the Solar System may break apart within about 6 billion years as the dying Sun’s uneven mass loss destabilizes the outer planets.

For the first time, astronomers have detected radio signals from a planet beyond our solar system, according to a study available on the preprint server arXiv. The landmark observation offers a new ...

The Voyager Interstellar Mission (VIM) is extending Voyager's exploration beyond our solar system's outer planets to interstellar space — the region outside the heliosphere, a protective bubble ...

Imagine if the planet Jupiter orbited much closer to the Sun. What effect would a so-called hot Jupiter have on our Solar ...

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with atmosphere, they have a wide range of characteristics distinguishing them. But if ...

It is not alien technology, but a colossal magnetic powerhouse.Harvard astronomers have pinpointed repeating radio bursts to ...