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What Does the Milky Way Weigh? Hubble and Gaia Investigate

Astronomers using Hubble and Gaia have made a precise measurement of the total mass of our Milky Way galaxy, which weighs in at 1.5 trillion times the mass of our Sun.
7-Mar-2019 10:00 AM EST Add to Favorites


Tiny Neptune Moon Spotted by Hubble May Have Broken from Larger Moon

A team of astronomers using the Hubble Space Telescope, and older Voyager 2 spacecraft data, have studied the origin of the smallest known moon orbiting the planet Neptune. The moon, which was discovered in 2013 and has now received the official...
20-Feb-2019 1:00 PM EST Add to Favorites


Hubble Reveals Dynamic Atmospheres of Uranus and Neptune

Astronomers using the Hubble Space Telescope have captured a pair of storms on the solar-system ice giants Uranus (left) and Neptune (right). The dark vortex on Neptune, seen at top center, is the fourth storm spotted by Hubble since 1993. The...
7-Feb-2019 10:00 AM EST Add to Favorites


Hubble Accidentally Discovers a New Galaxy in Cosmic Neighborhood

An international team of astronomers using the Hubble Space Telescope have uncovered an unusually isolated dwarf galaxy that was hidden behind a forest of foreground stars in the nearby globular star cluster NGC 6752. A fraction of the size of our...
31-Jan-2019 10:00 AM EST Add to Favorites


Hubble Sees Plunging Galaxy Losing Its Gas

Astronomers using the Hubble Space Telescope spotted galaxy D100 being stripped of its gas as the wayward spiral plunges towards the center of the giant Coma cluster containing more than 1,000 galaxies. Gas is the lifeblood of a galaxy, fueling the...
24-Jan-2019 1:00 PM EST Add to Favorites


NASA's Hubble Helps Astronomers Uncover Brightest Quasar in the Early Universe

Astronomers using NASA's Hubble Space Telescope have discovered the brightest object ever seen at a time when the universe was less than one billion years old. The brilliant beacon is a quasar, the core of a galaxy with a black hole ravenously...
9-Jan-2019 5:15 PM EST Add to Favorites


Young Planets Orbiting Red Dwarfs May Lack Ingredients for Life

Rocky planets orbiting red dwarf stars may be dry and lifeless, according to astronomers using the Hubble telescope to study an eroding debris disk encircling the nearby star AU Microscopii. Life-nurturing ingredients, including water, may be blown...
8-Jan-2019 1:15 PM EST Add to Favorites

Triangulum Galaxy Shows Stunning Face in Detailed Hubble Portrait

NASA's Hubble Space Telescope has produced this detailed portrait of the Triangulum galaxy (M33), displaying a full spiral face aglow with the light of nearly 25 million individually resolved stars. It is the largest high-resolution mosaic image of...
7-Jan-2019 12:00 PM EST Add to Favorites

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Space Telescope Science Institute (STScI): Nearly 400 years after Galileo first observed the heavens through a telescope, we continue to seek answers to age-old questions about the universe. And while the technology has evolved over the centuries, the inquiry remains essentially the same: What's out there, where did it come from, and what does it mean?

At the Space Telescope Science Institute (STScI), we're working hard to study and explain the once-unimaginable celestial phenomena now made visible using Hubble's cutting-edge technology. In the course of this exploration we will continue to share with you the grace and beauty of the universe, because the discoveries belong to all of us.


Ray Villard
Hubble Space Telescope News Chief


Christine Pulliam
Head, News Office


Donna Weaver
Science Writer


Cheryl Gundy
News Production Team Lead


Zolt Levay
Imaging Resource Lead


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