What's up in
Universe
Astronomy, cosmology, stars, planets, black holes and the observatories revealing how the cosmos works.
New clue sheds some light on mysterious 'dark matter'
Accelerating universe? Not so fast
What happens underground when a missile or meteor hits
Cosmic debris: Study looks inside the universe's most powerful explosions
On another planet: the weird ways of water
Researchers determine origin of Annama meteorite
Universe may be expanding at slower rate than previously thought
Small solar eruptions can have profound effects on unprotected planets
Comms system critical to delaying MESSENGER's Mercury impact
Flip-flopping black holes spin to the end of the dance
