05/03/2015

Coral reefs' physical conditions set biological rules of nature

Much ecological literature focuses on the effects that human actions have on species, habitats or ecosystems. Unfortunately, human effects on the natural world are often negative. Whether it's deforestation, carbon emissions, ...

ESA experts assess risk from exploded satellite

After studying the recent explosive break-up of a US satellite, ESA space debris experts have concluded this event does not increase the collision risk to nearby ESA missions in any meaningful way.

Independent-minded baby boomers face limited housing options

While Americans are living longer and remaining relatively healthy, they are decidedly not interested in spending their golden years in assisted living or skilled nursing homes, a panel of experts unanimously agreed at a ...

Novel method for identifying rings around extrasolar planets

Astronomers from the Harvard-Smithsonian Center for Astrophysics and the University of Antioquia (Medellin-Colombia), have devised a novel method for identifying rings around extrasolar planets (exorings).  The method ...

Subaru Telescope observes rapid changes in a comet's plasma tail

Images from a December 2013 observation of the comet C/2013 R1 (Lovejoy) reveal clear details about rapidly changing activity in that comet's plasma tail. To get this image, astronomers used Subaru Telescope's wide-field ...

Pressure is on to find the cause for vision changes in space

A change in your vision is great when referring to sparking a creative idea or a new approach to a challenge. When it refers to potential problems with sight, however, the cause and possible solutions need to be identified.

NASA Ames reproduces the building blocks of life in laboratory

NASA scientists studying the origin of life have reproduced uracil, cytosine, and thymine, three key components of our hereditary material, in the laboratory. They discovered that an ice sample containing pyrimidine exposed ...

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