Physical Review D

The annihilating effects of space travel

Long distance space travel could create the ultimate 'killer entrance', devastating your destination and anything around the arriving spacecraft, according to calculations by Professor Geraint Lewis and two ...

Mar 12, 2012
3.8 / 5 (24) 34 | with audio podcast

Fermi data tantalize with new clues to dark matter

(Phys.org) —A new study of gamma-ray light from the center of our galaxy makes the strongest case to date that some of this emission may arise from dark matter, an unknown substance making up most of the ...

Apr 03, 2014
4.4 / 5 (27) 8

Big Bang theory challenged by big chill

(Phys.org) -- The start of the Universe should be modeled not as a Big Bang but more like water freezing into ice, according to a team of theoretical physicists at the University of Melbourne and RMIT University.

Aug 20, 2012
3.4 / 5 (29) 87 | with audio podcast