Gamma ray telescope spots ancient, intense black holes
It also helped detect 'hidden' rays from the Sun.
Some of Earth's oxygen escapes to the moon every month
And it's been going on for more than 2 billion years.
Dwarf planet Ceres' surface isn't what scientists expected
It's a hint at origins near the very edge of the Solar System.
Scientists discover a cosmic-scale particle accelerator
Entire galaxy clusters have been swept up in this phenomenon.
From Mars to Earth and the Moon, 127 million miles away
A new photo from the Mars Reconnaissance Orbiter should make just about everybody feel like an insignificant speck of dust.
Deepest X-ray image to date uncovers a black hole bonanza
It's a window into the histories of both black holes and the universe.
Scientists trace a cosmic radio burst to its home galaxy
The discovery could shed more light on the nature of the universe.
Dark matter scientist Vera Rubin dies at 88
She helped fill a large gap in our understanding of the universe.
Black hole detection is becoming much easier
Scientists could double the number of known black holes within two years.