Spring floods across the Midwest are expected to contribute to a very large and potentially record-setting 2013 Gulf of Mexico "dead zone", according to researchers.
Since the 1960s, we've known the winds of Venus "super-rotate," or blow faster than the planet rotates. Now a spacecraft has found Venus' winds are speeding up.
At team of astrophysicists says it has shown, for the first time, that high-energy light emission is not only possible, but inevitable when gas is drawn into a black hole.