Astronomy & Astrophysics 101: Exoplanet
What Is an Exoplanet? An exoplanet is a planet that is located outside our Solar System. While there is currently no formal agreement on what…
Hubble Space Telescope News
Astronomy & Astrophysics 101: Dwarf Planet
What Is a Dwarf Planet? A dwarf planet is a celestial body that is in orbit around the Sun and has enough mass to be…
Hubble Sees Double in M99 – A “Grand Design” Spiral Galaxy
The magnificent spiral galaxy M99 fills the frame in this image from the NASA/ESA Hubble Space Telescope. M99 — which is located about 42 million…
Astronomy & Astrophysics 101: Habitable Zone
What Is a Habitable Zone? The Habitable Zone is the region around a star where the conditions could potentially be suitable to sustain life on…
Astronomy & Astrophysics 101: Infrared Astronomy
What Is Infrared Astronomy? Infrared astronomy is a branch of astronomy in which astronomers observe and analyze light from the Universe with wavelengths in the…
Hubble Space Telescope Observations Used To Answer Key Exoplanet Questions
A worldwide team of astronomers studied archival Hubble Space Telescope observations of 25 hot Jupiters, allowing them to answer five unresolved questions important to our…
Astronomy & Astrophysics 101: Galaxy
What Is a Galaxy? A galaxy is a collection of stars, dust, gas, and dark matter held together by gravity. Galaxies contain anywhere from a…
Hubble Space Telescope Spies a Tenuous Diffuse Galaxy
In this image from the NASA/ESA Hubble Space Telescope, the ultra-diffuse galaxy GAMA 526784 appears as a hazy patch of light. This wispy object is…
Astronomy & Astrophysics 101: Electromagnetic Spectrum
What Is the Electromagnetic Spectrum? The electromagnetic spectrum is a range of frequencies of electromagnetic radiation. From long to short wavelength, the EM spectrum includes…
Celebrating the Hubble Space Telescope’s 32nd Birthday With a Stunning Galaxy Grouping
The NASA/ESA Hubble Space Telescope is celebrating its 32nd birthday with a magnificent view of the Hickson Compact Group 40, an extraordinary close-knit grouping of…
Astronomy & Astrophysics 101: Dwarf Galaxy
What Is a Dwarf Galaxy? Dwarf galaxies are small galaxies made up of a few billion stars. Compared to their larger cousins, which can contain…
Celebrating Hubble’s 32nd Birthday: A Magnificent View of an Unusual Collection of Five Galaxies
NASA is celebrating the Hubble Space Telescope’s 32nd birthday with a spectacular look at The Hickson Compact Group 40, an unusual close-knit collection of five…
Angel Wing: Hubble Inspects a Vast Set of Galactic Wings
Two merging galaxies in the VV689 system — nicknamed the Angel Wing — feature in this image from the NASA/ESA Hubble Space Telescope. Unlike chance…
Breaking News From the Dawn of the Universe: The Ancestor of a Supermassive Black Hole
An international effort led by astrophysicists at the Niels Bohr Institute, University of Copenhagen, and the Technical University of Denmark, have identified a distant object…
Hubble Uncovers Bizarre, Evolutionary Missing Link From the Dawn of the Universe
Bizarre, Evolutionary Missing Link Uncovered in Hubble Deep Survey of Galaxies The universe is so saturated with galaxies that even the weirdest things can go…
Hubble Confirms Largest Comet Nucleus Ever Seen – A Staggering 500 Trillion Tons Headed This Way
4-Billion-Year-Old Relic From The Early Solar System Is Headed This Way Denizens of deep space, comets are among the oldest objects in the solar system….
Spiral Snapshot Hides an Astronomical Monstrosity
The spiral galaxy M91 fills the frame of this Wide Field Camera 3 (WFC3) observation from the Hubble Space Telescope. M91 lies approximately 55 million…
Astronomers Spot the Most Distant Single Star Ever Seen Using a Cosmic Telescope Predicted by Einstein
Hubble spots most distant single star ever seen, at a record distance of 28 billion lightyears. With a fortuitous lineup of a massive cluster of…
