An international team of astronomers has uncovered multiple evolutionary paths for the universe's most massive galaxies. Observations of ultramassive galaxies, each containing more than 100 billion ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

Optical techniques are methods that use light to probe or control matter. One prominent example is optical spectroscopy, which includes such methods as pump–probe spectroscopy, Raman spectroscopy and ...

NASA's MAVEN orbiter lost contact after observing an interstellar visitor dubbed 3I/ATLAS during its close approach to Mars, ...

UVS principal investigator Dr. Kurt Retherford, the thought of having an opportunity to see another target on the route to Jupiter was entirely unexpected. The fact that the Europa Clipper, aided by ...

Just days into the New Year, on January 6, NASA will begin spacewalks outside the International Space Station to prepare for ...