A team of scientists who last year suggested neutrinos could travel faster than light have conceded that Einstein was right and the sub-atomic particles are – like everything else – bound by the universe’s speed limit.
The sardonic proverb “nothing is certain but death and taxes,” can now be recast for the cosmos. Last week’s announcement of the inevitable collision of the Andromeda galaxy with the Milky Way is one of only two apocalyptic astronomical predictions that we can be absolutely certain of. The other is the death of our sun. [...]
Astronomers have long known that the Andromeda Galaxy is headed our way. Now they’ve concluded that it most likely will collide with the Milky Way head-on — with dramatic consequences.
NASA killed a new X-ray telescope mission on Thursday, two years before its planned launch. The Gravity and Extreme Magnetism Small Explorer mission, or GEMS for short, was supposed to blast off in 2014 to study black holes and neutron stars. But external reviews found the project would likely come in considerably over budget.
This image of the Pinwheel Galaxy, or also known as M101, combines data in the infrared, visible, ultraviolet and X-rays from four of NASA's space-based telescopes.