In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

How did the great modern scientific adventure related to the discovery and study of celestial bodies and the cosmos begin?

For most of history, the Moon was regarded as a mysterious and powerful object. Then scientists made it into a destination ...

The best telescopes allow you to observe this month's full planetary parade more closely and give you a front-row seat to the total lunar eclipse in March. The best telescopes unlock the wonders ...

The telescope, currently about 60% complete, is intended to search for evidence of potential life on planets beyond our solar system - called exoplanets - and peer back in time to look for the ...

In 1609, the Italian astronomer Galileo Galilei upended the Earth-centered ... based on observations made with an early form of the telescope. To capture images of distant galaxies far beyond ...

"The James Webb Space Telescope has been truly revolutionary- it is now hard to imagine what life was like without it!" The James Webb Space Telescope (JWST) has had an impact on astronomy since ...

Learn More Galileo, a San Francisco-based startup, is betting that the future of artificial intelligence depends on trust. Today, the company launched a new product, Agentic Evaluations ...

Around 2015, astronomers took on the painstaking task of stitching together Hubble Space Telescope images of this galaxy, but that effort had focused on the galaxy's northern half. Still ...

The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting telescope in 1609. Although not the inventor of the telescope, Galileo was the ...

“One of Hubble’s lasting achievements will be how it showed the public the wonders of the universe,” Kenneth Sembach, an astronomer at the Space Telescope Science Institute, told National ...

Whenever news of a rare celestial event makes the headlines - be it a passing comet, meteor shower or a parade of planets - it makes one wish for two things: a telescope and a pitch-black garden ...