One of the most notable baby stars in the galaxy, T Tauri, could be about to vanish from sight for decades as a thick, obscuring disk of gas and dust marauds in front of it.

Around 2015, astronomers took on the painstaking task of stitching together Hubble Space Telescope images of this galaxy, but that effort had focused on the galaxy's northern half. Still, however, the ...

Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...