This new image from NASA’s Hubble Space Telescope looks at two spiral galaxies, collectively known as Arp 303.
Researchers will train Webb’s high-precision spectrographs on two intriguing rocky exoplanets.
This image from NASA’s Hubble Space Telescope features the Grand Design Spiral, NGC 3631, located some 53 million light-years away in the direction of the constellation Ursa Major.
This image, taken by the Wide Field and Planetary Camera 2 on NASA’s Hubble Space Telescope, features the spiral galaxy NGC 3509.
This NASA Hubble Space Telescope image finds the large spiral galaxy, NGC 3227, wrapped in a turbulent gravitational dance with its companion, the elliptical galaxy NGC 3226.
Citizen scientists have discovered a strange lopsided system consisting of three very massive stars orbiting around one another very rapidly---a rare combination that has scientists asking how this system could have formed.
NGC 3718 is a highly disturbed spiral galaxy with an unusual, warped shape that looks a bit like a plump letter “s” from Earth, with a thin thread of dark dust snaking through it.
This striking pair is lenticular galaxy NGC 541 and an unusual star-forming, irregular dwarf galaxy known as Minkowski’s Object (the bluish object to the lower left of NGC 541).
This new NASA Hubble Space Telescope image of IC 4271, also known as Arp 40, is a curious pair of spiral galaxies some 800 million light-years away.
Completing a nearly 30-year marathon, NASA's Hubble Space Telescope has calibrated more than 40 "milepost markers" of space and time to help scientists precisely measure the expansion rate of the universe.
This new NASA Hubble Space Telescope image looks at one of the nearest, massive lenticular galaxies to Earth, NGC 1023 some 36 million light-years away.
This new NASA Hubble Space Telescope image captures the central region of the gigantic elliptical galaxy NGC 474.
This newly revised NASA Hubble Space Telescope image of the Hickson Compact Group 31 (HCG 31) of galaxies highlights streams of star-formation as four dwarf galaxies interact.
This new NASA Hubble Space Telescope image spotlights the giant elliptical galaxy, UGC 10143, at the heart of galaxy cluster, Abell 2147.
