In this new composite image, the Chandra data (purple) shows the diffuse X-ray emission and young stars in Cygnus OB2, and infrared data from NASA's now-retired Spitzer Space Telescope (red, green, ...

A do-it-yourself Galilean telescope makes an excellent and inexpensive starter telescope — or science fair project. When you purchase through links on our site, we may earn an affiliate commission.

The Arecibo Observatory's giant radio telescope in Puerto Rico suffered a cataclysmic failure in December 2020. Credit: Walter Bibikow / DigitalVision / Getty Images Powerful electromagnetic ...

The dramatic 2020 collapse of the famous Arecibo Telescope was 39 months in the making, according to a new federal report. The just-released National Academy of Sciences, Engineering, and Medicine ...

From its halo-like orbit nearly a million miles from Earth, the James Webb Space Telescope is seeing farther than human eyes have ever seen. In May, astronomers announced that Webb detected the ...

A celestial light show illuminates a distant spiral galaxy, where a hidden supernova briefly outshines its stellar neighbors in a new image from the Hubble Space Telescope. The galaxy, called NGC ...

WASHINGTON, Nov 5 (Reuters) - At the heart of our Milky Way galaxy lurks a supermassive black hole about four million times the mass of the sun, called Sagittarius A*. In fact, these objects ...

Astronomers using the James Webb Space Telescope have spotted a feeding black hole in the early universe that seems to be eating 40 times faster than is theoretically possible. Using JWST to get a ...

Despite the lack of a dedicated mission to the planet, scientists have learned plenty through ground observations and space telescopes A photo of Neptune, taken by the Voyager 2 probe, with the ...

As amazing as the James Webb Space Telescope is, its primary mirror is only 6.5 meters in diameter. Even then, the mirror had to have foldable components to fit into the launch rocket. In contrast ...

Fine Guidance Sensor (FGS) and Near Infrared Imager and Slitless Spectrograph (NIRISS): FGS is essential for keeping JWST accurately oriented, locking onto guide stars to stabilize the telescope’s ...

The famous Arecibo Observatory in Puerto Rico collapsed due to a combination of decayed zinc in the telescope’s cable sockets and previous damage from Hurricane Maria, according to a report ...