Cloud-9 is a starless, gas-rich, dark-matter cloud considered a "relic" or remnant of early galaxy formation, NASA said. This discovery marks the first confirmed detection of such an object in the ...

But this is not an emergency situation, agency officials stress. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the latest ...

PHOENIX — A billionaire-backed philanthropic organization is funding the development of a series of new observatories, including a space telescope larger than Hubble that its backers say can be built ...