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Hubble to Use Moon as Mirror to See Venus Transit
May 4, 2012 — NASA's Hubble Space Telescope will study Venus's atmosphere during an upcoming opportunity where Venus is passing in front of the Sun. Hubble cannot look at the Sun directly, so astronomers are ... > full story -
Lightning Signature Could Help Reveal the Solar System's Origins
May 3, 2012 — Every second, lightning flashes some 50 times on Earth. Together these discharges coalesce and get stronger, creating electromagnetic waves circling around Earth, to create a beating pulse between ... > full story -
Mars: Evidence of Water Flows at Ancient Impact Crater Endeavour
May 3, 2012 — Evidence of ancient water at a Martian crater is the latest in a long series of discoveries by a surprisingly long-lived Mars Exploration Rover Opportunity. The latest discovery was made at the rim ... > full storyMore: -
Four White Dwarf Stars Caught in the Act of Consuming 'Earth-Like' Exoplanets
May 3, 2012 — Astrophysicists have pinpointed four white dwarfs surrounded by dust from shattered planetary bodies which once bore striking similarities to the composition of ... > full story -
Cassini, Saturn Moon Photographer
May 3, 2012 — NASA's Cassini spacecraft successfully flew by Saturn's moons Enceladus and Dione during close flybys on May 2, 2012, capturing these raw images. The flybys were the last close encounters of these ... > full story -
Black Hole Caught Red-Handed in a Stellar Homicide
May 2, 2012 — Astronomers have gathered the most direct evidence yet of a supermassive black hole shredding a star that wandered too close. Supermassive black holes, weighing millions to billions times more than ... > full storyMore: -
Rapid Decline in US Earth Observation Capabilities
May 2, 2012 — A new report says that budget shortfalls, cost-estimate growth, launch failures, and changes in mission design and scope have left US Earth observation systems in a more precarious position than they ... > full story -
Cassini to Probe Enceladus Gravity, Take Pictures
May 1, 2012 — NASA's Cassini spacecraft will be flying within about 46 miles (74 kilometers) of Saturn's moon Enceladus on Wednesday, May 2, aiming primarily to learn more about the moon's internal structure. The ... > full story -
Venus to Appear in Once-in-a-Lifetime Event
May 1, 2012 — On 5 and 6 June this year, millions of people around the world will be able to see Venus pass across the face of the Sun in what will be a once-in-a-lifetime experience. It will take Venus about six ... > full story -
Remarkable Outburst Seen from Old Black Hole
April 30, 2012 — An extraordinary outburst produced by a black hole in a nearby galaxy has provided direct evidence for a population of old, volatile stellar black holes. The discovery provides new insight into the ... > full story -
Old Star, New Trick: Astronomers Have Detected Arsenic and Selenium in Ancient Star for First Time
April 30, 2012 — For the first time, astronomers have detected the presence of arsenic and selenium, neighboring elements near the middle of the periodic table, in an ancient star in the faint stellar halo that ... > full story -
Hubble Images Searchlight Beams from a Preplanetary Nebula
April 27, 2012 — The NASA/ESA Hubble Space Telescope has been at the cutting edge of research into what happens to stars like our sun at the ends of their lives. One stage that stars pass through as they run out of ... > full story
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