Hints of impossibly bright, massive objects in the infant universe have forced astronomers to rethink how the first cosmic ...

A new NASA spacecraft called Pandora is awaiting launch ahead of its journey to study the atmospheres of exoplanets, or ...

Pandora, the latest in a long portfolio of University of Arizona's space science missions, has cleared its last major ...

Webb observations of the Sextans A galaxy reveal how stars in a metal-poor areas create cosmic dust, offering clues about the ...

Hubble has revealed a strange cosmic object called Cloud-9, a dark matter–dominated cloud with no stars at all. Scientists ...

Astronomers have discovered a new type of object that is a starless cloud that failed to form as a galaxy. Here's what to ...

Jupiter will be at its most spectacular in 2026 in the early hours of Jan. 10, as it shines above the eastern horizon among ...

Many astronomical events, such as meteor showers, run by calendrical timings as well. But our moon and the other planets move ...

A new discovery in physics can be exciting, but are scientists declaring quantum victory too soon? Many breakthroughs aren't ...

The Schmidts' philanthropic research organization will build a 3-meter space telescope and fund three ground-based facilities.

Shining in the constellation Gemini near the bright stars Pollux and Castor, Jupiter's opposition is the best time to see the ...

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...