Some of the universe's most extreme explosions leave behind almost no trace. The original explosion is unseen, but our observations can capture the long-lived echo it leaves behind as the shock front ...
A newly detected X-ray transient may reveal the first direct evidence of an intermediate-mass black hole consuming a white dwarf. A newly observed cosmic outburst is giving astronomers a rare glimpse ...
Space is full of terrifying possibilities, but most cosmic disasters are extremely unlikely to ever reach us. Solar flares are different: they happen often, and under the right conditions, they could ...
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