Measurements of today’s expansion rate do not match the rate that was expected based on how the Universe appeared shortly after the Big Bang over 13...
NASA has released an absolutely beautiful photo taken by the NASA/ESA Hubble Space Telescope of the globular cluster Messier 75.
This Hubble image shows...
In celebration of the 29th anniversary of the launch of the NASA/ESA Hubble Space Telescope, astronomers captured this colorful look at the hourglass-shaped...
NASA has released a stunning image snapped by the agency’s Hubble Space Telescope of the globular cluster Messier 62.
This image of Messier 62 is a composite...
The NASA/ESA Hubble Space Telescope has captured an amazing new photo of the 8-billion-year-old globular cluster Messier 3.
This Hubble image shows the...
NASA has released a stunning image snapped by the agency’s Hubble Space Telescope of the globular cluster Messier 2.
This image from the NASA/ESA Hubble...
Astronomers once thought asteroids were boring, wayward space rocks that simply orbit around the Sun. But recent observations show that asteroids are anything...
A series of images taken by the NASA/ESA Hubble Space Telescope documents the formation of a Great Dark Spot on Neptune for the first time.
This is a composite...
The NASA/ESA Hubble Space Telescope has captured the brilliance of an open star cluster called Messier 11 (also known as M11 or NGC 6705).
This image of...
The NASA/ESA Hubble Space Telescope has produced this beautiful image of an elliptical galaxy called Messier 49.
This Hubble image shows the elliptical...
Globular clusters are densely packed, spherical collections of hundreds of thousands or even millions of stars. They are among the oldest known objects...
A stunning new image from the NASA/ESA Hubble Space Telescope captures an ongoing cosmic collision between two disk galaxies.
This Hubble image shows two...
Astronomers using the NASA/ESA Hubble Space Telescope have observed the massive, luminous globular cluster NGC 2419, also known as the ‘Intergalactic...
A new study led by SETI Institute astronomers suggests that the recently-discovered moon of Neptune, Hippocamp, is probably an ancient fragment of a much...
Since its launch into orbit in 1990, the NASA/ESA Hubble Space Telescope has helped astronomers to amass an album of outer planet images. Yearly monitoring...
Astronomers using the NASA/ESA Hubble Space Telescope have discovered a new dwarf galaxy in our cosmic neighborhood. Named Bedin 1, the galaxy is approximately...
A long streamer of hydrogen gas is being stripped from a spiral galaxy called D100 as it plunges toward the center of the Coma cluster (also known as Abell...