The great performance offered by FC Barcelona during this season, in which it has won three titles (Spanish Super Cup, Copa del Rey and La Liga), has calmed the impetus to sign com ...

Fifteen years after its discovery, two astronomers say earth may still lie within the sights of a potentially lethal progenitor of a stellar gamma-ray burst (GRB). Although WR 104, a Wolf-Rayet ...

The bright, nearby γ-ray burst (GRB) 060614 does not fit in either of the two duration classes. Its ∼102-s duration groups it with long-duration GRBs, whereas its temporal lag and peak ...

The immediate optical afterglow of the γ-ray burst GRB 120308A is highly polarized, showing that γ-ray bursts contain magnetized baryonic jets with large-scale uniform fields that can survive ...