Is SDSS1133 a supermassive black hole ejected from its home galaxy, or the remains of a massive star that exploded as a supernova? Astronomers aren't sure.
Japanese astronomers probing deeply back into our universe's early history have found 7 galaxies at a time when the universe was only 700 million years old.
The black holes are central to quasars in the early universe. Researchers say the probability that their aligned spin is the result of chance is less than 1%.
Vesta is revealed as a world in space - albeit a little world - in these new maps of its surface. Scientists say the maps of Vesta reveals its history.
Never-before-seen images of a bouncy comet landing! Shows Philae lander attempting to touch down in the weak gravity field of Comet 67P/Churyumov-Gerasimenko.
Data indicate that small asteroids struck Earth's atmosphere - resulting in a bolide (a fireball, or bright meteor) - on 556 separate occasions in a 20-year period.
City lights drown all but the brightest stars, planets, and fireballs. But there's still some dark out there, as this satellite view of the U.S at night shows.