Space & Earth

sally ride
Sally Ride, First U.S. Woman in Space, Dies of Cancer at Age 61
Jul 24, 2012 20:18 PM E
Ride, the first American female to enter space, traveled aboard the Challenger space shuttle in 1983 - just five years after women had been granted access to the previously all-male U.S. astronaut corps. A Stanford-educated physicist, she was America's youngest astronaut at the time of her first launch.
diogenite meteorite
Clues to Solar System's Early History Found in Ancient Meteorites
Jul 24, 2012 02:17 AM E
Studies show that mantles of the Earth, Moon and Mars contain more of certain elements than scientists theorize they should. And now, a team looking into meteorites may have figured out why.
heat shield test
NASA Successfully Tests Inflatable Heat Shield Prototype
Jul 24, 2012 01:39 AM E
Using fabric to protect a spacecraft during the scorching temperatures of atmospheric re-entry may sound like a crazy idea, but it could work. NASA tested a new, inflatable heat shield that successfully survived a 7,600 mile-per-hour trip back through Earth's atmosphere.
supernova
Dark Energy Could End Universe In 'Big Rip'
Jul 24, 2012 00:49 AM E
In a theory dubbed the "Big Rip", the density of dark energy will grow to infinity and its gravitational repulsion will continuously increase until it trumps all forces holding objects together, resulting in a tearing apart of everything in the Universe.
titan riverways
Riverbeds on Titan Have Surprisingly Little Erosion
Jul 20, 2012 23:58 PM E
The surface of Saturn's largest moon, Titan, has long been obscured to Earth-bound telescopes by its thick, gas-filled atmosphere. But in 2004, the Cassini-Huygens probe that orbits Saturn returned radar images of Titan's icy terrain carved out over millions of years by rivers of liquid methane.
vegan pizza
NASA Develops Vegan Menu for Future Mission to Mars
Jul 20, 2012 00:02 AM E
Space food isn't limited to Tang and dehydrated ice cream. NASA scientists are devising a new menu for a mission to Mars sometime in the 2030s.
exoplanet
Scientists Discover Nearby Earth-sized Exoplanet Covered in Lava
Jul 19, 2012 03:48 AM E
Astronomers have found a planet two-thirds the size of Earth orbiting a relatively close star. The exoplanet lives 33 light years away and treks around its home star in 1.4 Earth days.
spiral galaxy bx442
Astronomers Discover Rare Spiral Galaxy in Early Universe
Jul 18, 2012 21:24 PM E
The early universe isn't known for order or symmetry, which is why the discovery of a spiral galaxy observed as it existed only three billion years after the Big Bang has astronomers excited.
galaxy
Hubble Spots Tiny, Ancient Ghost Galaxies
Jul 12, 2012 22:08 PM E
Using the Hubble Telescope, NASA astronomers were able to see that three puny galaxies are roughly the same age. The stars all started forming more than 13 billion years ago and then abruptly stopped. This screeching halt to their growth happened within the first billion years after the Big Bang.
plutos fifth moon
Hubble Discovers New Moon Orbiting Pluto
Jul 11, 2012 22:05 PM E
The new moon, dubbed P5, is estimated to be irregular in shape and 6 to 15 miles across, traveling around the icy dwarf planet in a 58,000-mile-diameter circular that is co-planar with the other satellites in the system.
c elegans worm
Spaceflight Increases Lifespan of Worms with Genes Similar to Humans
Jul 10, 2012 01:26 AM E
Astronauts have shown that time in space can lead to bone and muscle loss, but scientists studying this very phenomenon have found that worms living in microgravity actually have a longer lifespan than expected. Could that also be the case for humans?
nasa rover mars panorama
'Opportunity' Rover Snaps Stunning Panoramic Shot of Mars' Landscape
Jul 10, 2012 00:53 AM E
A panoramic view of Mars has been beamed home, giving us a glimpse of the Red Planet's beautifully barren landscape. The scene of the Martian winter comes from the color camera (Pancam) mounted on the Mars Rover "Opportunity", whose solar arrays and deck can be seen in the foreground of the shot overlooking a place called Greeley Haven.
hlx galaxy
First middle-weight black hole discovered
Jul 09, 2012 23:56 PM E
Outbursts of super-hot gas seen with a radio telescope have helped scientists identify the first known "middleweight" black hole, which is called HLX-1 ("hyper-luminous X-ray source 1") and lies in a galaxy about 300 million light-years away.
3D sun
'MRI' of Sun's Activity Shows Surprisingly Slow Plasma Waves
Jul 09, 2012 22:38 PM E
The heart of the Sun's activity is made up of circulating plasma at its interior, and a kind of doctor's checkup reveals that our star's lifeblood is pumping at a much slower rate than previously thought.
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