Our solar system has two ice giants, Uranus and Neptune, but there may have been a third. According to a new study published in the journal Icarus, this extra world might have triggered a violent ...

ALMA(ESO/NAOJ/NRAO)/M. McClure et al. Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this ...

How fast and in which direction is our solar system moving through the universe? This seemingly simple question is one of the key tests of our cosmological understanding. A research team led by ...

Add Yahoo as a preferred source to see more of our stories on Google. A "solar fireworks show" lit up the solar system just in time for the United States' 250th birthday. The sun emitted a strong ...

The size of the solar system is defined by the volume of space over which the Sun’s influence exceeds those of other nearby stars in the Milky Way galaxy. This influence derives from two fundamental ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...