Solar scientists have unveiled spectacular new images of plasma "rain" in the sun's corona using adaptive optics.

Finally, in April 2025, MISTRAL delivered stunning images of the supernova remnant Cassiopeia A (Cas-A), one of the sky’s ...

MISTRAL is a new-generation receiver for observations at millimeter wavelengths, built as part of the recent project to upgrade the Sardinia Radio Telescope for the study of the high-frequency radio ...

Space Shuttle Endeavour is scheduled to rise off Pad 39B at Kennedy Space Center Wednesday, carrying a load that cannot be weighed with conventional scales. When the seven astronauts ride the ...

A new device uses quantum optics to filter out starlight in real time — bringing scientists closer to directly observing ...

A technical glitch in the rocket’s third stage caused the mission to fail, leaving India without a key satellite meant for all-weather surveillance ...

The Hubble was designed to be serviced and enhanced ... They included replacing the High Speed Photometer with the COSTAR corrective optics package, and replacing the Wide Field and Planetary ...

The Hubble was designed to be serviced and enhanced by the space ... They included replacing the High Speed Photometer with the COSTAR corrective optics package, and replacing the Wide Field and ...

In April 1990, a crew of five astronauts aboard the Space Shuttle deployed the Hubble Space Telescope into orbit. Credit: NASA Astronauts installing the Corrective Optics Space Telescope Axial ...

"Knock on wood, it can go another 10 years," former astronaut John Grunsfeld says. John Grunsfeld has a model of the Hubble Space Telescope on his bookshelf. It's right next to a model of a NASA ...

and astronauts came to the rescue on the first of five space shuttle servicing missions in December 1993 to improve Hubble’s vision with corrective optics. You can read about the challenges ...