Space/Astronomy

columbia crew - . NASA

What Went Wrong with Columbia?

astrolabe - NASA

How The Ancients Found their Way Around

explorer 1 - NASA

Meet the First U.S. Satellite Sent to Space

Our Space/Astronomy Expert
Space/Astronomy
The Latest in Space/Astronomy
astrolabe - NASA
How The Ancients Found their Way Around
Astrolabes were first created for use in navigation and timekeeping. They were used throughout the world until modern technology replaced them.
terrestrial planets - NASA/JPL-JHU.
What Makes a Terrestrial Planet?
Terrestrial planets are the solar system's rocky planets. There are four of them: Mercury, Venus, Earth, and Mars, and they orbit close to the Sun.
cosmic spitwads - Mark Garlick/CFA
Our Galaxy's Black Hole is Coughing Up Planet-Sized Spitballs
What happens when a black hole tears apart a star that wanders too close? In our Milky Way, the supermassive central black hole sends out gassy spitwads!
protostar - NASA/STScI
Understanding the Infancy of a Star
The protostar stage of stellar formation is an important one. It lasts about a million years and sets the stage for the eventual star's mass and longevity.
Gene Cernan - NASA
The Life and Times of Astronaut Gene Cernan
Astronaut Eugene Cernan was commander of Apollo 17 and the last man to walk on the Moon. His death in early 2017 is the passing of an American hero.
mars exploration rover - NASA
Celebrate Two Successful Mars Missions
The NASA Mars Exploration Rovers were sent to explore Mars's surface. They landed in January 2004 and the Opportunity rover continues the mission.
vera rubin - Vera Rubin
The Woman Who Worked on the Dark Matter "Problem"
Dr. Vera Rubin (1928-2016) was a pioneering astrophysicist whose observations of galaxy motions were instrumental in the discovery of dark matter,
Image of the Week for Awaiting Orders - NASA
Gus Grissom: a Man Who Loved to Fly
Virgil I. "Gus" Grissom was a NASA astronaut who flew two missions in the early 1960s. He, Ed White and Roger Chaffee, died in the 1967 Apollo 1 fire.
Hubble's Orion Nebula - NASA/ESA/STScI
Explore the Wonders of the Winter Hexagon
Stargazing brings many delightful things to see. Among them are the Winter Hexagon, made of bright stars from other constellations, plus a few surprises.
Dome A at Antarctica - Xue-Fei Gong/Purple Mountain Observatory
A Frozen Desert Tells us about Cosmic Objects and Earth's Climate
A new astronomy observatory in Antarctica shows astronomers a clear view of the universe at terahertz frequencies and contributes to climate models.
NASA spinoffs - NASA
From Space to You: Space Tech's Effects on Earth
Technology for space exploration is also used here on Earth to help in areas such as medicine, transportation, consumer goods, farming, and much more.
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.
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