NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...

BEIJING, Dec. 1 (Xinhua) -- In the course of almost two years after China's astronomical satellite named Einstein Probe (EP) was launched, it has managed to capture many extraordinary transient events ...

Black holes are invisible, yet they are among the brightest things in the universe. If a star wanders too close to a black hole, it gets torn apart in a fireworks show called a tidal disruption event.

Astronomers have identified a star locked in a tight dance with a black hole that appears to be far quieter than theory says it should be, challenging long-held assumptions about how these extreme ...

When space telescopes blazed with high-energy radiation for hours earlier this year, astronomers suspected that they were witnessing something special. The cosmic flash GRB 250702B was no ...

Astronomers capture the twinkle of a distant quasar, RX J1131, and reveal the secret size of a black hole's fiery corona.

Some things in cosmology may simply be unknowable. Why is there something rather than nothing? What lies outside the universe? What is inside a black hole? That last one has been niggling at ...