Long lost Galileo letter found at Royal Society library

Nature journalist Alison Abbott has published a News and Comment piece in the journal detailing the finding of a letter in a Royal Society library purported to have been written by famed early scientist Galileo Galilei. The ...

Galileo, Europe's own satnav, to go online

After 17 years and numerous setbacks and budget boosts, Europe's Galileo satnav system is due to go live on Thursday with promises of better-than-ever location services.

Galileo's telescope on historic visit to Philly

(AP) -- Though it looks like a cardboard tube that got left out in the rain, it's a priceless instrument whose owner changed the world. The mottled brown cylinder on display at The Franklin Institute science museum is a ...

Video: BepiColombo's third Mercury flyby

Watch Mercury appear from the shadows as the ESA/JAXA BepiColombo spacecraft sped by the planet's night side during its 19 June 2023 close flyby, and enjoy a special flyover of geologically rich terrain.

Equivalence principle in space test

Since Galileo Galilei and Newton, the assumption is valid that inert and heavy mass are equivalent. This is, however, questioned by new physical theories such as the String theory. Now, the equivalence principle is put to ...

Amazing raw Cassini images from this week

When Saturn is at its closest to Earth, it's three-quarters of a billion miles away—or more than a billion kilometers! That makes these raw images from the ringed planet all the more remarkable.

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