Galileo started this quest over 400 years ago, and scientists finally were able to peek at one of the biggest mysteries of the big star in our solar system.

As a ball of ultra-hot gas, how does the sun rotate? This complex form of rotation drives some fascinating phenomena. When you purchase through links on our site, we may earn an affiliate ...

Nearly 400 years ago, Galileo looked at the Pleiades star cluster through his telescope and noticed that the seven or so ...

The idea that Earth orbits the Sun is ancient. ... In 1610, Galileo turned his new telescope toward Venus. To his amazement, he saw the planet pass through phases just like the Moon.

He also observed that splotches covered the sun and craters covered the moon and provided the first proof that the planets — including his own — spun perpetually around the sun. Galileo’s sightings ...

Galileo continued writing in conversational language for his landmark 1632 work, Dialogo sopra i due massimi sistemi del mondo. ... The sun’s magnetic field is where the ‘stuff’ is.

Science denial dates back at least to the time of Galileo, whom the Catholic Church found guilty of heresy and sentenced to house arrest in 1633 for arguing the Earth revolves around the sun.

The sun has been around for over 4 billion years, but one day, it will run out of fuel. Read on to learn more about what our local star is made of, how it formed and what will happen when it dies.

He was born in Tuscany, Italy in 1564, when parents frequently provided their sons with personal names inspired by their traditional family identifiers. In fact, Galileo’s forebearers actually used ...

Sounds like a bright idea. Scientists have received approval to soon test whether “dimming” the light from the sun will combat global warming — a strategy some critics have recently ...