Particle physicists have been stuck confirming the same patterns of particle creation and decay. Now, they coud have a chance to study something brand new.

We knew cosmic rays were a danger to astronauts' bodies, but it turns out they're hazardous to their minds as well.

For supernovae to have a real impact on our climate, they'd have to be a lot closer and happen a lot more often.

A new paper suggests that mass extinctions happen in cycles based on Earth's movement through the galactic plane. But does the evidence really add up?