Earth's unusual orbit through hot and cold conditions tests the limits of tolerability for any known lifeforms.

Hubble has captured UGC 8091, a festive bundle of lights. Located about seven million light-years away in the Virgo constellation, it’s also known as GR 8.

Quasars are the most luminous type of active galaxy. They emit light across the electromagnetic spectrum, produce powerful ...

In January of 2025, NASA’s Hubble Space Telescope released this panoramic view of the neighboring Andromeda galaxy. Assembled from a total of 7,398 exposures taken over 411 individual pointings of the ...