A ravaged star, having survived its partner's supernova explosion, is being flung out of the Milky Way at record speeds.
For only the second time, an exoplanet living with an expansive family of four stars has been revealed.
A new computer model of our sun's magnetic field suggests the shape of our solar system's heliosphere is stranger than we ever thought.
Astronomers have discovered an out-of-place supermassive black hole -- 12 billion times more massive than the sun -- that inexplicably formed when the universe was less than 900 million years old.
The BICEP2 gravitational wave announcement may have been premature, but the search has only just begun -- an interview with cosmologist Kendrick Smith.
For the first time, astronomers have observed the rapid dimming of a distant quasar and realized that the active black hole engine must have gone on an extreme diet.
A machine on Earth capable of recreating the conditions inside the sun's heart is helping scientists study how iron behaves at mind-boggling temperatures. The results of the experiment, so far, have defied expectations and just might help settle a long-standing solar puzzle.
Measuring the age of stars has been a notoriously difficult proposition, but now astronomers can pin down stellar chronology to a better precision than ever.
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