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TL;DR: In this paper, the authors reported the discovery of transient optical emission in the error box of the gamma-ray burst GRB980425, the light curve of which was very different from that of previous optical afterglows associated with Gamma-ray bursts.

TL;DR: In this article, the authors reported the discovery of an optical transient, in the BeppoSAX Wide Field Camera error box of GRB980425, which occurred within about a day of the gamma-ray burst.

TL;DR: In this paper, the authors reported the detection of a transient and fading optical source in the error box associated with the burst GRB970228, less than 21 hours after the burst, suggesting that the burst occurred in that galaxy and thus that γ-ray bursts in general lie at cosmological distance.

TL;DR: The first afterglow of a gamma-ray burst was detected and quickly positioned by the Beppo-SAX satellite on 1997 February 28 (GRB970228) as discussed by the authors.

TL;DR: The discovery of the peculiar supernova (SN) 1998bw and its possible association with the gamma-ray burst (GRB) 980425$ 1,2,3} provides new clues to the understanding of the explosion mechanism of very massive stars and to the origin of some classes of gamma ray bursts.