The combination of a supernova and a kilonova may have produced a rare space explosion that astronomers have never seen ...

Are we ready for a mega-blast from the supervolcano in Yellowstone National Park?

A double blast of dying stars may be the first observed case of a long-hypothesized, never proven “superkilonova.” Although ...

A puzzling cosmic blast detected in both light and gravitational waves may hint at a previously unseen type of explosion, challenging astronomers to rethink how neutron stars are born and collide.

Cosmic “touchdown airbursts” — explosions of comets or asteroids above Earth’s surface — may be far more common and ...

Astronomers may have discovered the first example of an explosive cosmic event called a "superkilonova," in the form of a gravitational wave signal detected on Aug. 18, 2025.

A colder stretch starts tonight and carries into the week, with quiet weather at first before a brief wintry mix transitions to rain by Tuesday. Temperatures stay seasonably cool through midweek, ...