A large-scale survey of U.S. adults provides no evidence that levels of depressive symptoms vary from season to season, according to new research published in Clinical Psychological Science, a journal of the Association for Psychological Science. The findings are inconsistent with the notion of seasonal depression as a commonly occurring disorder. “In conversations with colleagues, the […]
Among the most feared events in space physics are solar eruptions, massive explosions that hurl millions of tons of plasma gas and radiation into space. These outbursts can be deadly: if the first moon-landing mission had encountered one, the intense radiation could have been fatal to the astronauts. And when eruptions reach the magnetic field […]
Since its arrival at comet 67P/Churyumov-Gerasimenko, the European Space Agency’s Rosetta spacecraft has been surveying the surface and the environment of this curiously shaped body. But for a long time, a portion of the nucleus — the dark, cold regions around the comet’s south pole — remained inaccessible to almost all instruments on the spacecraft. […]
NASA’s Dawn spacecraft has entered an approach phase in which it will continue to close in on Ceres, a Texas-sized dwarf planet never before visited by a spacecraft. Dawn launched in 2007 and is scheduled to enter Ceres orbit in March 2015. Dawn recently emerged from solar conjunction, in which the spacecraft is on the […]