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Space/Astronomy

USA, Hawaii, The Big Island, Milky Way from Mauna Kea Observatory - NASA

The Origin and Evolution of Our Galaxy

Debris_objects_-_mostly_debris_-_in_low_Earth_orbit_LEO_-_view_over_the_equator-1-.jpg - European Space Agency

Space Hardware Goes Up... and then it Comes Back

triple star birth - Bill Saxton, ALMA (ESO/NAOJ/NRAO), NRAO/AUI/NSF.

Radio Emissions Reveal Triple-star Birth Scene

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Space/Astronomy
The Latest in Space/Astronomy
galaxy evolution - ESO/STScI/Wm. Keck Telescope
Uncovering the Secrets of Distant Blobs
Blobs in space never looked so gorgeous as a mysterious one some 11.5 billion light-years away from us. What could it be and how did it form?
supermassive black hole is nearly naked - Bill Saxton, NRAO/AUI/NSF
See What Happens to a Black Hole When Galaxies Collide
Astronomers found a distant galaxy that had been badly damaged in a collision. In the process, its supermassive black hole was stripped of stars!
Orientale Basin on the Moon -- a gravity map. - NASA/JPL-Caltech
Exploration of Orientale Basin Reveals Its History
The Moon's Orientale Basin was mapped by the GRAIL spacecraft as it measured variations in the gravity of the Moon. The data help explain how it formed.
colliding galaxies - M. Kaufman; B. Saxton (NRAO/AUI/NSF); ALMA (ESO/NAOJ/NRAO); NASA/ESA Hubble Space Telescope
Astronomers Spot the Eye of a Starry Storm
Galaxy collisions excite tsunamis of gas clouds that crash together and ultimately form stellar nurseries -- places where stars are being born.
triple star birth - Bill Saxton, ALMA (ESO/NAOJ/NRAO), NRAO/AUI/NSF.
Radio Emissions Reveal Triple-star Birth Scene
Radio emissions from a cloud of gas and dust reveal the birth of a triple-star system. It's a rare look at a process astronomers are still explaining.
variable star, v838 monocerotis - NASA
Starlight Pulsates and Reveals Stellar Secrets
Variable stars are important in the understanding of how stars work. The changes in brightness of some variables also help determine distances in space.
Hubble view of the Crab Nebula - NASA/ESA/STScI
Hubble Spots the Glow of a Supernova's Remains
Hubble Space Telescope often studies the Crab Nebula, searching out details in the cloud surrounding the leftover neutron star remnant of a long-gone star.
heartbeat stars - NASA
Unusual Binary Stars Play a Scientific Role in Astronomy
Sometimes binary stars orbit so closely that they stretch each other out, and that affects their brightness. Astronomers call these "heartbeat stars".
Mars - Credit:NASA/JPL-Caltech/MSSS
Where Do You Go on Earth to Study Mars?
Mars explorers can get a head start on a Red Planet visit by visiting places here on Earth called "Mars analogs" -- regions similar to places on Mars.
galaxy survey image. - NASA, ESA, the GOODS Team, and M. Giavialisco (University of Massachusetts, Amherst)
Galaxies--As Far as we Can Detect Them -- and More!
Galaxies: there are trillions of them in the universe. The study of how they form and merge tells astronomers much about the early and modern cosmos.
comet nucleus - ESA
Say Goodbye to Rosetta
The Rosetta mission ended when the spacecraft crash-landed on its cometary target. Now astronomers are working to analyze the data it provided.
High mass stars in the Large Magellanic Cloud - NASA/ESA/STScI
Monster Stars Exist in the Universe
Stars exist in all sizes and masses, which raises the question: how big can a star get? Astronomers are on the hunt for the most massive ones.
map of the Milky Way - ESA/Gaia/DPAC
GAIA Mission Maps a Billion Stars...and Counting
The Gaia spacecraft is charting the galaxy, using techniques of astrometry to measure the exact positions and brightnesses of more than a billion stars.
quasar - ESO/M. Kornmesser
Distant Lighthouses Light up the Infant Cosmos
What do quasars in the early universe tell us about the infancy of the cosmos? As it turns out, they are bright enough to illuminate the cosmic nursery!
Dunes on Titan - NASA/JPL-Caltech/ASI/Universite Paris-Diderot
Lush Dunes and Rugged Mountains Exist on Saturn's Largest Moon
Saturn's moon Titan has dunes — lots of them. Images from the Cassini mission's radar instrument show extensive dune fields made of hydrocarbon sands.
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