A seven-hour gamma-ray burst, GRB 250702B, stuns astronomers and hints at powerful new cosmic engines still unknown to science.

Archaeologists have dated the lakefront Neolithic (7000–3200 b.c.) settlement of Dispilio in northern Greece using a method that involves detecting evidence of bursts of cosmic radiation in ancient ...

For decades, astronomers have mapped the Milky Way using visible light, but much of our galaxy has remained hidden behind ...

Astronomers have observed the longest-ever gamma-ray burst — a powerful, extragalactic explosion that lasted over seven hours ...

Ten billion times more powerful than the Sun’s most violent eruptions.” That is the scale of the outflow astronomers have just witnessed from the supermassive black hole at the heart of NGC 3783. In a ...