![This handout photo obtained March 30, 2019 shows a partially exposed, perfectly preserved 66-million-year-old fish fossil uncovered by Robert DePalma and his colleagues. The scientists have discovered the fossilized remains of a mass of creatures that died minutes after a huge asteroid slammed into the Earth 66 million years ago, sealing the fate of the dinosaurs.(Photo/Agencies)](http://www.ecns.cn/hd/2019/04/01/585b8e40bf7e4eaba0eccb330a7270c0.jpg)
This handout photo obtained March 30, 2019 shows a partially exposed, perfectly preserved 66-million-year-old fish fossil uncovered by Robert DePalma and his colleagues. The scientists have discovered the fossilized remains of a mass of creatures that died minutes after a huge asteroid slammed into the Earth 66 million years ago, sealing the fate of the dinosaurs.(Photo/Agencies)
![This handout photo obtained March 30, 2019 shows a partially exposed, perfectly preserved 66-million-year-old fish fossil uncovered by Robert DePalma and his colleagues. The scientists have discovered the fossilized remains of a mass of creatures that died minutes after a huge asteroid slammed into the Earth 66 million years ago, sealing the fate of the dinosaurs.(Photo/Agencies)](http://www.ecns.cn/hd/2019/04/01/5fe8ceec2e5a4a70b5c2278e705ada40.jpg)
This handout photo obtained March 30, 2019 shows a partially exposed, perfectly preserved 66-million-year-old fish fossil uncovered by Robert DePalma and his colleagues. The scientists have discovered the fossilized remains of a mass of creatures that died minutes after a huge asteroid slammed into the Earth 66 million years ago, sealing the fate of the dinosaurs.(Photo/Agencies)
![This handout photo obtained March 30, 2019 shows Robert DePalma(L)and field assistant Kylie Ruble(R) excavate fossil carcasses from the Tanis deposit The scientists have discovered the fossilized remains of a mass of creatures that died minutes after a huge asteroid slammed into the Earth 66 million years ago, sealing the fate of the dinosaurs. (Photo/Agencies)](http://www.ecns.cn/hd/2019/04/01/4472f6578fa6449982c263a394e26595.jpg)
This handout photo obtained March 30, 2019 shows Robert DePalma(L)and field assistant Kylie Ruble(R) excavate fossil carcasses from the Tanis deposit The scientists have discovered the fossilized remains of a mass of creatures that died minutes after a huge asteroid slammed into the Earth 66 million years ago, sealing the fate of the dinosaurs. (Photo/Agencies)