Articles by

Ken Croswell

Dwarf planet Makemake sports the most remote gas in the solar system

More than 2 billion kilometers farther from the sun than Pluto, a frigid world named Makemake sports...

Mysterious ‘little red dot’ galaxies have a possible origin story

The early universe is speckled with little red dots, and now we may have an idea of...

A passing star could fling Earth out of orbit

Bad news, earthlings. Computer simulations of the solar system’s future reveal a new risk facing us all:...

Yes, there really is a black hole on the loose in Sagittarius

For the first time, astronomers have confirmed the existence of a lone black hole — one with...

Uranus emits more heat than previously thought

Uranus emits more energy than it gets from the sun, two new studies report — a discovery...

Some of Earth’s meteors are probably coming all the way from a neighboring star system

Alpha Centauri, the nearest star system to the sun, is probably shedding comets and asteroids into our...

A distant quasar’s black hole is oddly huge for its galaxy

The first-ever sighting of starlight from a galaxy hosting one of the most distant quasars known has...