Planck has discovered a bridge of hot gas that connects galaxy clusters Abell 399 (lower center) and Abell 401 (top…
The sun erupted with two prominence eruptions, one after the other over a four-hour period on Nov. 16, 2012. The…
Seen from the International Space Station, the Soyuz TMA-05M descent module begins to re-enter the Earth’s atmosphere, leaving a plasma…
