Hubble Observes Largest Group of Faintest and Earliest Galaxies Ever Seen

Hubble view of a galaxy cluster containing some of the smallest and youngest galaxies ever observed. Image Credit: NASA/ESA/HST Frontier Fields team (STScI)

Peering ever further back in space and time, the Hubble Space Telescope has glimpsed the largest known group of the faintest and youngest primordial galaxies ever—over 250—some of which are […]

Unusual Fast-Moving 'Ripples' Discovered in Planetary Debris Disk Surrounding Nearby Star

Hubble and VLT images of the “ripples” within the debris disk surrounding the young star AU Microscopii. Image Credit: ESO/NASA/ESA

Planetary debris disks, or protoplanetary disks, are some of the most interesting phenomena in astronomy – these giant clouds of dust and gas surrounding young stars are the birthplaces of new planets. Now, […]

NASA MRO Video Highlights Mars’ Dynamic Environment

NASA’s MRO mission has determined that the Red Planet goes through seasonal changes just like Earth does. The changes, however, are very different than what we experience on our home world. Image Credit: NASA/JPL-Caltech/Univ. of Arizona

A recent video compiled of imagery from NASA’s Mars Reconnaissance Orbiter (MRO) shows that—far from the dead […]