astrophysics

Astrophysics for survivors

The sun sets but once a year at the South Pole, and it is a prolonged process. During a recent stay at the Amundsen-Scott South Pole Station, postdoctoral researcher Jason Gallicchio saw it hover along…


Gravitational Waves?

There is intense speculation among cosmologists that a US team is on the verge of confirming they have detected “primordial gravitational waves” – an echo of the big bang in which the universe came into…


Glutton^2

One of the biggest conundrums facing astrophysicists is how the most massive black holes became so, well, massive. Now it seems we have a potential answer — these greedy behemoths may have gobbled down two…