Mars Rover's 'Gagarin' Moment Applauded Exploration

Mars Rover's 'Gagarin' Moment Applauded Exploration

Jet Propulsion Laboratory

A flat, light-toned rock on Mars visited by NASA's Mars Exploration Rover in 2005 informally bears the name of the…

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Kepler Mission Helps Reveal the Inner Secrets of Giant Stars for the First Time

Kepler Mission Helps Reveal the Inner Secrets of Giant Stars for the First Time

Kepler Mission

University of Sydney astrophysicists are behind a major breakthrough in the study of the senior citizens of our galaxy: stars…

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Breakthrough Study Confirms Cause of Short Gamma-Ray Bursts

Breakthrough Study Confirms Cause of Short Gamma-Ray Bursts

Goddard Space Flight Center

A new supercomputer simulation shows the collision of two neutron stars can naturally produce the magnetic structures thought to power…

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NASA Telescopes Help Discover Surprisingly Young Galaxy

NASA Telescopes Help Discover Surprisingly Young Galaxy

NASA

Astronomers have uncovered one of the youngest galaxies in the distant universe, with stars that formed 13.5 billion years ago,…

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Kepler Reaching into the Stars

Kepler Reaching into the Stars

Kepler Mission

We are entering a golden era for "stellar physics" – a term coined to describe research about the formation, evolution,…

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NASA Releases Images of Man-Made Crater on Comet

NASA's Stardust spacecraft returned new images of a comet showing a scar resulting from the 2005 Deep Impact mission. The images also showed the comet has a fragile and weak nucleus. The spacecraft made its closest approach to comet Tempel 1 on Monday, Feb. 14, at 8:40 p.m. PST (11:40 p.m. EST) at a distance of approximately 178 kilometers (111 miles). Stardust took 72 high-resolution...
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One Year in Space - Solar Dynamics Observatory

NASA's Solar Dynamics Observatory (SDO) launched into space on an Atlas rocket from Cape Canaveral. A year later, SDO has sent back millions of stunning images of the sun and a host of new data to help us understand the complex star at the heart of our solar system.
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New View of Family Life in the North American Nebula

This cosmic community is called the North American nebula. In visible light, the region resembles the North American continent, with the most striking resemblance being the Gulf of Mexico. But in Spitzer's infrared view, the continent disappears. Instead, a swirling landscape of dust and young stars comes into view. This image layout reveals how the appearance of the North American nebula can change dramatically using different combinations of visible and infrared observations. One of the things that makes me so excited about this image is how different it is from the visible image, and how much more we can see in the infrared than in the visible. 
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Featured Stories

A Torrent of Star Formation

A new Chandra X-ray Observatory image of Messier 82, or M82, shows the result of star formation on overdrive. M82 is located about 12 million light years from Earth and is the nearest place to us where the conditions are similar to those when the Universe was much younger with lots of stars forming...
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NEOWISE Completes Scan for Asteroids and Comets

The NEOWISE mission has completed its survey of small bodies, asteroids and comets, in our solar system. The mission's discoveries of previously unknown objects include 20 comets, more than 33,000 asteroids in the main belt between Mars and Jupiter, and 134 near-Earth objects (NEOs). The NEOs are asteroids and comets with orbits that come within 45 million kilometers (28 million miles) of Earth's path around the sun.

Surprise Hidden in Titan's Smog

The blurring effects of Titan's aerosol are obvious in this image, where the orange moon peeks from behind two of Saturn's rings. Small, battered Epimetheus, another of Saturn's 62 moons, appears just above the rings.Every day is a bad-air day on Saturn's largest moon, Titan. Blanketed by haze far worse than any smog belched out in Los Angeles, Beijing or even Sherlock Holmes's London, the moon looks like a dirty orange ball. Described once as crude oil without the sulfur, the haze is made of tiny droplets of hydrocarbons with other, more noxious chemicals mixed in. Unlike Titan's brownish haze, the ice clouds have the pearly white appearance of freshly fallen snow.

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