The sun is midway through its life of fusion. It's about 5 billion years old, and though its life is far from over, it will ...

To reach that surprisingly conclusion, scientists studied the positions of 21 asteroid impact craters during the Ordovician ...

Evidence suggests Earth had a ring system 466 million years ago, causing a surge in meteorite impacts and possibly ...

By staring into the hellish landscape of Jupiter's moon Io—the most volcanically active location in the solar system—Cornell ...

Our solar system is full of interesting mysteries. However, even after years of research, some remain unknown. Here are five unexplored mysteries of the solar system: The two hemispheres of Mars have ...

Saturn's moon, Titan, is the only other celestial body we know of where long-lasting reservoirs of liquid pool on the surface ...

About sulfuric acid rain on Venus, hurricanes in Jupiter's hydrogen atmosphere, and other conditions that await you on ...

Until scientists learn more then, here are seven of the most fascinating discoveries they’ve made about Saturn so far. The ...

During a lunar eclipse the sun, Earth and moon lie in almost a straight line. The umbral shadow is where the planet's bulk ...

As summer transitions into fall, the month ahead brings a whirlwind of transformation. From eclipse season to retrograde ...

Page IndexAries Horoscope for todayTaurus Horoscope for todayGemini Horoscope for todayCancer Horoscope for todayLeo ...

"One unique feature of our solar system is that we have planets of all sorts of sizes; we have two giant planets – Jupiter and Saturn – and then we have ... measuring the properties of planets' top ...