Articles by

Ken Croswell

The black hole–powered jet in galaxy M87 is making stars explode

High-speed gas shooting from the galaxy M87 is causing stars to go nova, a study suggests, and...

The Milky Way may be spawning many more stars than astronomers had thought

The Milky Way is churning out far more stars than previously thought, according to a new estimate...

The fastest-spinning white dwarf ever seen rotates once every 25 seconds

The sun turns once a month and the Earth once a day, but a white dwarf star...

A supernova’s delayed reappearance could pin down how fast the universe expands

A meandering trek taken by light from a remote supernova in the constellation Cetus may help researchers...

A shadowy birthplace may explain Jupiter’s strange chemistry

Jupiter may have formed in a shadow that kept the planet’s birthplace colder than Pluto. The frigid...

A record-breaking, oxygen-starved galaxy may be full of gigantic stars’ shrapnel

The most oxygen-poor star-forming galaxy ever found hints that the first galaxies to arise after the universe’s...

The ‘USS Jellyfish’ emits strange radio waves from a distant galaxy cluster

Something’s fishy in the southern constellation Phoenix. Strange radio emissions from a distant galaxy cluster take the...

The number of Milky Way nova explosions per year has been pinned down

Each year, astronomers discover nova explosions in the Milky Way that cause dim stars to flare up...