Scientists have been scratching their heads for ages, trying to figure out why some galaxies just stop churning out stars.

In NASA's latest survey, experts detected black holes hidden behind thick clouds of gas and dust and others that are not.

Astronomers discovered ultra-faint dwarf galaxies, frozen for 13 billion years, offering rare insights into early cosmic ...

NASA's SPHEREx observatory undergoes testing at BAE Systems in Boulder, Colorado, in August 2024. Launching no earlier than Feb. 27 ...

Shaped like a megaphone, the upcoming mission will map the entire sky in infrared light to answer big questions about the ...

A new study shows that black holes consume gas which creates an outburst that cools nearby gas for the black hole to consume ...

Astronomers have identified a quasar that may help explain how the universe’s “dark ages” finally ended. Astronomers have ...