A half-billion miles from Earth, a tiny spacecraft is racing toward a historic and fiery rendezvous with the planet Jupiter, now far beyond the sun in the daytime sky. About 5 p.m. Thursday, a ...

If you caught the eclipse this week, you probably took care to use eclipse glasses or a pinhole camera. But you may have caught a glance at the Sun with the unaided eye. Perhaps while looking at the ...

Astronomers have been studying the sun for over 400 years, but Galileo was one of the first to document dark spots on the star. These observations challenged the general idea that the sun had the ...

Italian scientist Galileo Galilei was not the first person to claim Earth orbited the sun. But he was the first who could prove it. His observations made through a home-made telescope changed the ...

Galileo was not the first man to claim the Earth orbited the sun, but he was first who could prove it. And the landmark discovery he made with his newly-built telescope changed the course of ...

Galileo's 1610 telescopic observations of Venus's phases provided evidence supporting a heliocentric model, as these phases could only occur if Venus orbited closer to the Sun than Earth. Stellar ...

After eight years surveying Jupiter and its moons, NASA is giving its pioneering Galileo spacecraft an unusual but fitting send-off by steering it on a suicide course for the giant gas planet whose ...

Since Galileo’s time, technology has advanced enough to track the Sun’s roughly 11-year cycle and to study phenomena like solar flares, prominences, and the solar wind in greater detail. Still, some ...

Source: NOVA: "Galileo's Battle for the Heavens" This resource was adapted from NOVA: "Galileo's Battle for the Heavens." In 1610, when Galileo first pointed his newly built telescope toward the sky, ...

WITH all the attention on Darwin this year, one could almost overlook the 400th anniversary of one of the most significant events in the history of science: the first time Galileo peered through ...

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Why are we asking for donations? Why are we asking for donations? This site is free thanks to our community of supporters. Voluntary donations from readers like you keep our news accessible for ...