Galileo played with this formula until ... Ten years after that, 40 to 50 feet. By 1673, [Polish astronomer] Johannes Hevelius had constructed a telescope 150 feet long on the shores of the ...

Researchers from the Juno mission have finally solved a mystery that has puzzled scientists for over four decades.

The drama of Galileo's trial by the Inquisition in 1633 has cast him as a renegade astronomer who scoffed at the Bible and drew fire from a Church blind to reason. Indeed, the myth of the martyred ...

As many as 400 volcanoes are erupting on the surface of Jupiter's innermost moon Io, with virtually every square inch of the ...

Elon Musk recently proposed the ‘Galileo test’ to test whether artificial intelligence (AI) systems would be safer in the ...

In this entertaining and authoritative biography, first published in 1994, Michael Sharratt examines the flair, imagination, hard-headedness, clarity, combativeness and penetrating intelligence of ...

The book contains excellent photography and explanatory illustrations, along with numerous historical drawings from Galileo, Huygens, Herschel and other astronomers. This book is a must for all ...

There have been all sorts of concerns over whether building superintelligent AI systems might eventually go on to hurt ...

The sun was once personified as a god, a symbol of a perfect cosmos. The occasional detection of dark blemishes was ...