Behold the first image taken of Earth from the surface of another planet. NASA’s Spirit rover took the mosaic photo from Mars in early 2004.
Whether your budget is $10 or $1,300, we've got tech and gear recommendations that will make the new semester more productive and entertaining.
Roman is designed to capture enormous areas of the universe quickly and precisely—and gaze upon things we've never seen before.
A team at NASA and Caltech wants to launch a giant, flower-shaped “starshade” to better view distant planets by literally eclipsing their parent stars.
Maybe the telescope can find the real killers in another galaxy.
A recent discovery changes how we thought galaxies form and evolve over time.
A mission designed to reboost the observatory has suffered fatal issues of its own.
Image: NASA/JPL-Caltech/Cornell/Texas A&M 
