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...

Saturn’s first Trojan asteroid has finally been discovered

Astronomers have finally found an asteroid keeping pace with Saturn in its orbit around the sun. Such...