Milky Way's black hole was 'birth cry' of radio astronomy

The first image of the supermassive black hole at the center of our Milky Way galaxy brings radio astronomy back to its celestial birthplace. The Event Horizon Telescope (EHT), a worldwide collection of millimeter-wave radio ...

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.

Image: Saturn's past and present moons

Saturn's beautiful rings form a striking feature, cutting across this image of two of the planet's most intriguing moons.

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.

NASA image: Saturn's rainbow rings

(Phys.org) —This colourful cosmic rainbow portrays a section of Saturn's beautiful rings, four centuries after they were discovered by Galileo Galilei.

Spain the dunces in international science test

Spaniards came bottom of the class in an 11-nation science test and nearly half of them could not name a single important scientist in history, a survey showed Tuesday.

A night with the stars…in a conference room

(PhysOrg.com) -- Ancient astronomers looked up at the dark skies in wonder, as the stars marched by overhead like precision dancers. In the early 17th century, Galileo Galilei brought the world one step closer to the heavens ...

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 ...

Europa by the numbers

Galileo Galilei discovered Jupiter's moon Europa in 1610. More than four centuries later, astronomers are still making discoveries about its icy surface. With a diameter of almost 2,000 miles, an orbit equivalent to 3.5 Earth ...

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