This Hubble Space Telescope image of Eta Carinae, a star in the constellation Carina, is 50 light-years wide and was made of a composite of 48 frames.
Billboard campaign promotes atheist beliefs on buses.
Column: They gain new insights on black holes and distant nebulas by tracking the path of stars and interstellar gases.
The breakthrough images include a three-planet system around a sun-like star.
New study is part of a broader effort to understand the early years of the universe, after the big bang.
Dense galaxy-size 'lenses' and the fact that light is bent by dark matter let researchers peer deeper into the universe.
Two new discoveries suggest that sunlike solar systems like ours – with life-hosting planets – are more common than previously thought.