Since its debut in 2021, the James Webb Space Telescope has dazzled viewers with its infrared images of galaxies, nebulae, ...

Learn more about WASP-121b, the exoplanet so hot it could vaporize iron.

When the search for habitable exoplanets requires a 1,000 times more stable telescope than James Webb Space Telescope, even ...

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How light is light? The James Webb Space Telescope has just been able to directly image a planet so light and faint that, in ...

Readers doubtless know that metals expand when heated. As explained in a NASA blog post that’s a problem for space telescopes because if their components warm and expand it can mean that the shape of ...

Astronomers using the European Space Agency's Cheops mission have caught an exoplanet that seems to be triggering flares of radiation from the star it orbits. These tremendous explosions are blasting ...

A unique new material that shrinks when it is heated and expands when it is cooled could help enable the ultra-stable space ...

Because it shrinks when other materials expand, Allvar Alloy 30 can be used to strategically compensate for the expansion and contraction of other materials. The alloy’s unique NTE property and lack ...

A new material called Alloy 30 shrinks when it is heated and expands when it is cooled and it could help with telescope ...

NASA is getting closer to building the powerful telescopes needed to find Earth-like planets beyond our solar system, thanks ...

Some planets take the expression "you're your own worst enemy" to the extreme. At least, that's what astronomers found when ...