Hubble Captures a Turbulent Galactic Gravitational Dance
This NASA Hubble Space Telescope observation finds the large spiral galaxy, NGC 3227, engaged in a turbulent gravitational dance with its companion, the elliptical galaxy…
Hubble Space Telescope News
Astronomy & Astrophysics 101: Dark Energy
What Is Dark Energy? Dark energy is the name given to the as yet unknown energy source that is causing our Universe’s expansion to accelerate….
Astronomy & Astrophysics 101: Comet
What Is a Comet? A comet is an icy, rocky mass that has passed close by the Sun within our Solar System, and has thus…
Hubble Space Telescope Peers Through Giant Elliptical Galaxy’s Layers
This new NASA Hubble Space Telescope image captures the central region of the enormous elliptical galaxy NGC 474. Located around 100 million light-years from Earth,…
Hubble Captures a Peculiar Galactic Pair
This new NASA Hubble Space Telescope image of IC 4271, also known as Arp 40, shows a strange pair of spiral galaxies approximately 800 million…
Hiding in Plain Sight Behind Piercingly Blue Stars
The subdued red tones of the globular cluster Liller 1 are partially obscured in this view by a dense scattering of piercingly blue stars. In…
Mystery of Universe’s Expansion Rate: Hubble Data Shows That “Something Weird” Is Going On
Three Decades of Space Telescope Observations Converge on a Precise Value for the Hubble Constant Science history will record that the search for the expansion…
Astronomy & Astrophysics 101: James Webb Space Telescope
What Is the James Webb Space Telescope? The James Webb Space Telescope is the next great space science observatory, designed to answer outstanding questions about…
Hubble Spies an Exquisite Hidden Galaxy
Spiral galaxy IC 342, also known as Caldwell 5, is located approximately 11 million light-years from Earth. The Hubble Space Telescope captured this sparkling, face-on…
Hubble Spies a Spectacular Glittering Gathering of Stars
This glittering gathering of stars is the globular cluster NGC 6558, and it was captured by the NASA/ESA Hubble Space Telescope’s Advanced Camera for Surveys….
Hubble Spots a “Small” Sombrero – Just 80,000 Light Years Across
NASA’s Hubble Space Telescope has allowed astronomers to view galaxies of all shapes and sizes from nearly every angle. When a galaxy is seen edge-on,…
Astronomers Detect Supermassive Black Hole Precursor – Could Be Evolutionary “Missing Link”
An international team of astronomers has discovered a unique object in the distant, early Universe that is a crucial link between star-forming galaxies and the…
Hubble Captures a Dwarf Spiral Galaxy With Multiple Mysteries
This NASA Hubble Space Telescope image shows a section of the spiral galaxy nicknamed the Needle’s Eye – an appropriately diminutive name for a dwarf…
Astronomy & Astrophysics 101: Elliptical Galaxy
What Is an Elliptical Galaxy? Elliptical galaxies have an even, ellipsoidal shape. They typically contain a much greater proportion of older stars than spiral galaxies…
Hubble Captures the Aftermath of a Cosmic Cataclysm
The tattered remnant of a supernova — a titanic explosion marking the end of the life of a dying star — is shown in this…
Astronomy & Astrophysics 101: Jupiter
What Is Jupiter? Jupiter is the fifth planet from the Sun. It is a gas giant, and the largest and most massive planet in our…
Hubble Reveals Surviving Companion Star in Aftermath of Titanic Supernova Explosion
The discovery helps explain the puzzle of hydrogen loss pre-supernova, and supports the theory that most massive stars are paired. It’s not unheard of to…
Hubble Space Telescope: Not Yet Imagined [Video]
Hubble’s launch and deployment in April 1990 marked the most significant advance in astronomy since Galileo’s telescope. Thanks to five servicing missions and more than…
