Astronomy

Making sense of a new era of time-domain astronomy from the Rubin Observatory

This “Phantom Galaxy” is riddled with holes that may be the handiwork of violent stars

A radar system is set to map near-Earth objects as they fly by

An astronaut-turned-aquanaut made history on a long-distance call with friends

From molten glass rain to oceans of lava, an intergalactic tour of the most terrifying and beautiful climates out there

The dwarf planet might have had a hot core and liquid oceans

Airbursts from space may be more common than we thought

A space tragedy illuminates the risks of penny pinching

A possible answer to a puzzle at the heart of a flaming jet

Looking for habitable worlds? Check the ones with extreme swings.

An early peep for this year’s peak

The annual Perseid shower spectacle is back—here's how to view it and where it comes from