Astrophysical Journal

Planet X myth debunked

It was an elusive planet that for 200 years appeared to explain Uranus's wobbly orbit. And there was the sister sun theorized to be near our solar system that caused asteroids to swerve toward Earth.

Mar 16, 2014
3.8 / 5 (42) 61

Kepler team validates 41 new exoplanets with Keck I

(Phys.org) —The Kepler team today reports on four years of observations from the W. M. Keck Observatory targeting Kepler's exoplanet systems, announcing results this week at the American Astronomical Society ...

Jan 10, 2014
4.9 / 5 (26) 8 | with audio podcast

Massive black hole duo: Possible sighting by WISE

(Phys.org) —Astronomers have spotted what appear to be two supermassive black holes at the heart of a remote galaxy, circling each other like dance partners. The incredibly rare sighting was made with the ...

Dec 04, 2013
4.1 / 5 (24) 19 | with audio podcast