As far-fetched as it may seem, quirks of orbital mechanics could allow hundreds of planets to be packed around a star ...

Astronomers watched water clouds grow thicker and thinner on a world trillions of miles away. It's familiar weather in a ...

The fate of our solar system is written in the stars—well, one star to be precise: the sun. Estimates of what the end will ...

Scientists believe there are planets outside our solar system where life is even more abundant and sustainable.

Voyager 1 and 2 traveled billions of miles to reach the heliopause, showing how the Sun's magnetic influence marks the boundary of our solar system.

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 ...

Even distant orbits may not make it across the one billion-year mark after the Sun collapses into a white dwarf.

A homeowner in Florida's Panhandle said a $65,000 Tesla solar-and-battery installation saved money over several years before ...

Harvard geoscientists reported that organic matter harvested from certain meteorites bears chemical traces of “primitive ...

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.

The cosmos wavers between predictable stability and wild chaos, which troubles our sense-seeking brains. In our local Solar abode, the stability of the planets "is the question around which celestial ...

The signal from Beta Pictoris b is not evidence of aliens, but scientists say it could reveal an extraordinarily powerful ...