Small Asteroid 2014 RC to Pass Near Earth
This coming Sunday a twenty meter asteroid called 2014 RC will safely pass near Earth at a distance of about 25,000 miles. A small asteroid,…
JPL
New Rosetta Image of 67P/Churyumov-Gerasimenko
Taken by ESA’s Rosetta Spacecraft, this new image of comet 67P/Churyumov-Gerasimenko shows the diversity of surface structures on the comet’s nucleus. The image was taken…
NASA Discovers Further Evidence of Dry Ice Gullies on Mars
A new study details further evidence of dry ice gullies on Mars, revealing that the gullies on Mars’ surface are primarily formed by the seasonal…
Astronomers View Near-Earth Asteroid 2014 HQ124 as it Passes Earth
Using the Deep Space Network antenna and two other radio telescopes, astronomers were able to capture radar observations of asteroid 2014 HQ124 as it passed…
NASA’s Curiosity Rover Views Mercury Passing in Front of the Sun
This new animated image from NASA’s Curiosity rover shows Mercury passing in front of the Sun. NASA’s Curiosity Mars rover has imaged the planet Mercury…
Spitzer Discovers a Rare Supernova Where a Dead Star “Fed” Off an Aging Star
Using data from NASA’s Spitzer Space Telescope, astronomers examined a rare example of Type Ia explosion in which a dead star “fed” off an aging…
NASA’s Cassini Views Uranus for the First Time
On April 11, 2014 NASA’s Cassini spacecraft took its first-ever image of the planet Uranus, shown in the distance beyond Saturn’s rings. The robotic spacecraft…
Jupiter’s Moon Ganymede May Have Oceans and Ice Stacked Up in Multiple Layers
New research based on laboratory experiments shows that Jupiter’s moon Ganymede may have oceans and ice stacked up in multiple layers like a club sandwich….
Spitzer and WISE Discover Coldest Known Brown Dwarf
NASA’s WISE and Spitzer Space Telescope have discovered the coldest known brown dwarf, which is located 7.2 light-years away. NASA’s Wide-field Infrared Survey Explorer (WISE)…
Researchers Discover the First Exomoon Candidate
By using gravitational microlensing and taking advantage of chance alignments between stars, an international team of researchers has spotted the first signs of an exomoon….
Curiosity Image Captures Mysterious Bright Spot
A newly released Curiosity image shows a bright spot on the surface of Mars, which was possibly caused by the sun glinting off a rock…
NASA Detects Ocean Inside Saturn’s Moon Enceladus
New data from NASA’s Cassini spacecraft and Deep Space Network provide the first geophysical measurements of the internal structure of Enceladus, suggesting that it harbors…
New Data Helps Astronomers Piece Together the Evolution of Supermassive Black Holes
Using data from NASA’s Wide-field Infrared Survey Explorer, astronomers are piecing together the evolution of supermassive black holes. How do you grow a supermassive black…
Cassini Views Four Moons of Saturn
Cassini views Saturn’s moons Prometheus, Pandora, Janus and Epimetheus. Two pairs of moons make a rare joint appearance. The F ring’s shepherd moons, Prometheus and…
Flower-Shaped Starshade Spacecraft to Acquire Images of Earth-Like Planets
NASA’s Jet Propulsion Laboratory is developing a spacecraft, which looks like a giant sunflower, to acquire images of Earth-like rocky planets around nearby stars. This…
Spitzer Images Create 360-Degree View of the Milky Way
Using more than 2 million infrared snapshots taken over the past 10 years by NASA’s Spitzer Space Telescope, researchers created a new 360-degree mosaic of…
NASA Image of the Day – Jupiter’s Great Red Spot Viewed by Voyager I
This NASA image of the day shows Jupiter’s Great Red Spot assembled from three black and white negatives from NASA’s Voyager 1. At about 89,000…
WISE Survey Finds No Evidence of “Planet X”
Using data from NASA’s WISE exporter, two newly published studies reveal thousands of new stars, but no evidence of “planet X.” After searching hundreds of…