Experiments show disproportionately large number of big boulders on asteroids likely due to Brazil-nut effect
Sun sends more 'tsunami waves' to Voyager 1
(Phys.org) —NASA's Voyager 1 spacecraft has experienced a new "tsunami wave" from the sun as it sails through interstellar space. Such waves are what led scientists to the conclusion, in the fall of 2013, ...
Young sun's violent history solves meteorite mystery
(Phys.org) —Astronomers using ESA's Herschel space observatory to probe the turbulent beginnings of a Sun-like star have found evidence of mighty stellar winds that could solve a puzzling meteorite mystery ...
Space sex geckos at risk as Russia loses control of satellite
Several geckos are at risk of a rude return to earth after Russia lost control of a research satellite testing the effect of weightlessness on the small lizards' sex lives.
Highest-precision measurement of water in planet outside the solar system
A team of astronomers using NASA's Hubble Space Telescope have gone looking for water vapour in the atmospheres of three planets orbiting stars similar to the Sun – and have come up nearly dry.
Ultra-deep astrophoto of the Antenna Galaxies
You might think the image above of the famous Antenna Galaxies was taken by a large ground-based or even a space telescope. Think again. Amateur astronomer Rolf Wahl Olsen from New Zealand compiled a total ...
The most precise measurement of an alien world's size
Thanks to NASA's Kepler and Spitzer Space Telescopes, scientists have made the most precise measurement ever of the radius of a planet outside our solar system. The size of the exoplanet, dubbed Kepler-93b, ...
Audit: NASA doesn't have the money for big rockets
(AP)—NASA does not have enough money to get its new, $12 billion rocket system off the ground by the end of 2017 as planned, federal auditors say.
NASA team lays plans to observe new worlds
It can take decades to mature an astrophysics flagship mission from concept to launch pad.
Voyager spacecraft might not have reached interstellar space
In 2012, the Voyager mission team announced that the Voyager 1 spacecraft had passed into interstellar space, traveling further from Earth than any other manmade object.
Watch the Falcon 9 rocket booster descend into the ocean for its "soft" landing (w/ Video)
SpaceX today released video from the Falcon 9 first stage flyback and landing video from the July 14 launch of six ORBCOMM advanced telecommunications satellites. This was a test of the reusability of the ...
NASA's Chandra X-ray Observatory celebrates 15th anniversary
Fifteen years ago, NASA's Chandra X-ray Observatory was launched into space aboard the Space Shuttle Columbia. Since its deployment on July 23, 1999, Chandra has helped revolutionize our understanding of ...
Hubble traces the halo of a galaxy more accurately than ever before
Astronomers using the NASA/ESA Hubble Space Telescope have probed the extreme outskirts of the stunning elliptical galaxy Centaurus A. The galaxy's halo of stars has been found to extend much further from ...
Seeing Earth as an exoplanet: What signs of life are visible?
An extraterrestrial spacecraft lurking in a satellite's orbit near Earth would be able to see city lights and pollution in our atmosphere. But what if it searched for signs of life on Earth from afar?