The NSF-DOE Rubin Observatory has officially begun its journey to map the universe, and it started with a remarkable feat: ...

The odds of winning the Powerball jackpot are astronomical, so any little chance of improving them is welcome. These states ...

Alone among known planets, Earth has vast oceans on its surface and its landmasses are marked with lakes and extensive river drainage systems. Water is the biosphere's lifeblood, and without it, Earth ...

Our galaxy may reside in a billion-light-year-wide cosmic bubble that accelerates local expansion, potentially settling the ...

Astronomy Update is provided by the Chippewa Valley Astronomical Society and is compiled by Dr. Lauren Likkel.

Researchers may have found our galaxy's missing companions, further bolstering science's most widely accepted cosmological ...

Mariner 4, built by JPL in Pasadena, took the images on July 14, 1965. One of the mission's leaders reflects on decades of ...

Our Milky Way could have many more satellite galaxies than we've detected so far. They're just too faint to be seen.

The annual competition for professional and amateur astrophotographers released its shortlisted images, which capture the ...

Sixty years ago today, NASA’s Mariner 4 spacecraft took the first up-close images of Mars, changing humanity's understanding ...

Astronomers now think Earth and our Milky Way galaxy might be sitting in a giant, mysterious “cosmic void”—a huge region of ...

Scientists predict up to 100 invisible galaxies may orbit the Milky Way, hiding just beyond our current detection limits.