Articles by

Lisa Grossman

A massive cosmic ring may challenge a key assumption about the universe

PHOENIX — An abnormally huge cosmic structure has put a ring on it — and that bling...

A newly spotted asteroid spins faster than any of its size ever seen

PHOENIX — A newly discovered asteroid spins about as fast as a Ferris wheel. With a rotation...

A double cosmic explosion could be the first known ‘superkilonova’

Astronomers have spotted a distant star that seems to have exploded twice. The blast may be the...

Betelgeuse’s buddy leaves a wake in the giant star’s atmosphere

PHOENIX — Like a motorboat doing doughnuts in a lake, Betelgeuse’s companion star leaves a wake in...

Galaxies with ‘hoop skirts’ are more common than we thought

PHOENIX —Thousands of newly spotted galaxies are dressed for a Victorian ball: in hoop skirts. The cache...

First maps of the sun’s outer boundary may help predict solar storms

The sun’s outer atmosphere resembles a pufferfish. That’s what scientists have gleaned from the first verified maps...

These space stories made us look up in 2025

From eclipses on demand to a rare interstellar visitor to the chances of Earth being flung out...

The Vera Rubin Observatory is ready to revolutionize astronomy

At 3 a.m. on a crisp May night in Chile, all seemed well with the world’s largest...