For every galaxy that's visible from Earth, there are nine smaller ones that we can't see, even with all the technology we've ...

Gamma rays are invisible and ultra-powerful forms of light. They are the most energetic source of radiation known in the ...

A new study reveals a rare-breaking white dwarf star, dubbed RXJ0528+2838, that is somehow generating a rainbow-like "bow ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

While billionaires like Elon Musk and Jeff Bezos are focused on building rockets to reach space and other planets, former ...

Ex-Google CEO Eric Schmidt aims to fly the first private space telescope by 2029. Will it pave the way for more private ...

Across the sky, astronomers are stitching together vast samples of galaxies to understand how often supermassive black holes ...

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

Eric and Wendy Schmidt are backing a start-up-like approach to building a giant space telescope and powerful ground ...

SpaceX, which is worth $800 billion, is eyeing an IPO that could come as soon as mid-2026 and reportedly plans to raise more than $30 billion at a valuation of as much as $1.5 trillion. That's many ...

KENNEDY SPACE CENTER — SpaceX’s Falcon 9 rocket pierced the Wednesday morning sky as it launched three spacecraft from NASA and NOAA that will study the solar system’s “bubble,” collect information on ...

Astronomers at the University of California, Irvine have identified what appears to be the largest stream of super-heated gas ever observed in the ...