Astronomers have constructed telescopes of every kind - massive observatories designed to pick up faint traces of light across space.

Galileo's early uses for the telescope weren't so scientific, says historian of science Jim Bennett.

Researchers will mine data from NASA’s Nancy Grace Roman Space Telescope, which will survey the same areas of the sky every ...

The Sun, with all those planets revolving around it and dependent on it, can still ripen a bunch of grapes as if it had ...

We’ve never known why sunspots can last on our star’s surface for as long as they do, but we finally cracked the case.

In the centuries since Galileo, telescopes have significantly grown in size and capabilities, with advanced telescopes now in observatories scattered across the globe.

Since Galileo first observed them through his telescope in the early 1600s, sunspots have fascinated scientists.

Object Details Author Land, Barbara Contents Hans Lippershey's ingenious spyglass -- Galileo's new window on the heavens -- Johannes Kepler, the nearsighted wizard -- Isaac Newton's reflecting ...

Sunspots are the most striking phenomenon of the solar magnetic field. After the invention of the telescope early in the 17th ...

Standing in front of a giant projected bar graph, he solemnly explained the possible fate of the world's most powerful eye on the sun: . If Co ...

“I see Galileo as being very interested in the arts and in visual representation in general.” Galileo turned his telescope on familiar constellations, including Orion (left).

The first publication by Galileo Galilei has set a new auction record for the celebrated astronomer, selling for $1.5 million at Christie's.