Articles by

Lisa Grossman

Earth had new, temporary radiation rings last year

On May 10, 2024, the strongest solar storm in 20 years sparked auroras on Earth that were...

‘Uncertain, anxious, fearful.’ That’s the mood at 2025’s first big U.S. science meeting

BOSTON — The official theme of the meeting of the American Association for the Advancement of Science,...

A fast radio burst from a dead galaxy puzzles astronomers

A staccato blast of electromagnetic energy has been tracked to an old, dead galaxy for the first...

The moon’s two grand canyons formed in less than 10 minutes

A giant impact 3.8 billion years ago sent a curtain of rock flying away from a point...

A cosmic ‘Platypus’ might link two astronomical mysteries

NATIONAL HARBOR, MD. — A bright blip in a distant galaxy may link two mysterious categories of...

Galactic chaos at cosmic noon may have stunted Milky Way planet formation

The Milky Way keeps its planets close to its chest. Stars in a thin, flat disk bisecting...

A crumbling exoplanet spills its guts

NATIONAL HARBOR, MD. — For the first time, astronomers have taken a direct look at an exoplanet’s...

Pluto may have captured its moon Charon with a kiss

Pluto and Charon’s meet-cute may have started with a kiss. New computer simulations of the dwarf planet...