Supernovae, neutron star collisions and active galactic nuclei are among the most energetic phenomena in the known universe. These violent explosions produce high-energy gamma rays and cosmic rays, which can easily travel ...
Astronomy
Mar 20, 2015
1
75
European space managers Friday ended an eight-day vigil for a wakeup call from the robot lander Philae, but remained hopeful the scout will revive as it rides on a comet nearing the Sun.
Space Exploration
Mar 20, 2015
0
60
Tired of trying to remember a different password for each of your online accounts? Or worried about re-using the same password too many times? You're not alone. Tech experts agree that traditional passwords are annoying, ...
Security
Mar 20, 2015
0
28
A solar eclipse briefly darkened the sky over northern Europe on Friday, and millions used sun viewers ranging from a welder's mask to a dental X-ray to watch the cosmic phenomenon.
Space Exploration
Mar 20, 2015
0
27
Alaska wildlife officials are preparing to release North America's largest land mammal into its native U.S. habitat for the first time in more than a century.
Ecology
Mar 20, 2015
0
71
Laura Smith-Velazquez is a dreamer - and she has been dreaming of going to space since the first time she looked into a telescope as an 8-year-old, later imagining herself commanding a starship while watching "Star Trek."
Space Exploration
Mar 20, 2015
4
18
Tigers - they are some of nature's most beautiful, deadly and endangered species. In fact, living tigers are severely endangered in fragmented geographic areas across Asia - some reports show their numbers as low as 3,000 ...
Ecology
Mar 20, 2015
0
36
Researchers at the University of Rochester and their collaborators have developed a way to transfer 2.05 bits per photon by using "twisted light." This remarkable achievement is possible because the researchers used the orbital ...
Quantum Physics
Mar 20, 2015
0
1350
Ethiopia on Friday torched a six-tonne pile of seized elephant ivory, the country's entire stock, vowing a "zero tolerance" policy towards poachers and traffickers.
Ecology
Mar 20, 2015
0
44
Potatoes that won't bruise and apples that won't brown are a step closer to grocery store aisles, but some food suppliers say they don't want any part of it and others are staying silent.
Biotechnology
Mar 20, 2015
2
31
