If you take a Geiger counter with you on your next flight, you'll notice the dial ratchet up as the plane approaches cruising altitude. Every time you fly, you get zapped by a little extra radiation ...

Future missions will be able to find signatures of violating the parity-symmetry in the cosmic microwave background polarization more accurately after a pair of researchers has managed to take into ...

It has been claimed that the amount of cloud cover – and hence global temperature – depends on cosmic ray intensity but neither satellite records nor computer models support this The variation in the ...